Friday, July 31, 2026

Counterfeit Recognition: How to Tell if Money Is Fake

 

Counterfeiting money is a crime, there is no doubt about it. And, like any other crime, it is present in our society. It's not only the police's or National Bank's job to look after the validity of banknotes; it is our duty as well. That's why we deem it highly important to know how to tell if money is fake.

In order to avoid being victims of counterfeiting money, we could use some knowledge and tricks to tell us if the money is fake. We don't have to be professionals, but we all know how money banknotes look.

How Does Counterfeit Work?

Each paper note has a denomination, text, watermarks, inks, and other details. US banknotes are made from note paper - a blend of cotton and linen. Based on those characteristics, there are several ways to tell if a bill is genuine or counterfeit.

Fake bills can be done with a lot of precision, but there are always ways to check. Your gut sending you red flag alerts is a reason enough to do a quick test of the bill. People who work retail usually have this feeling and know how to tell if money is fake. They present a huge and essential dam against counterfeiting. Fake bills show up in different denominations, and unfortunately for businesses, it often goes unchecked. Money laundering is a process of bleaching authentic bills with smaller denominations and printing them to look like $50 or $100 notes.

However, the counterfeiters figured out that the suspicion a retailer might have towards a $100 bill disappears when a smaller note is in question. US officials seized around $1 million in fake one-dollar bills in 2019.

Since there is no way to stop the attempts of creating fake bills, we - the workers, citizens, and business owners - need to be on the lookout for these forgeries.

Color-Shifting Ink

Crime amateurs won't fall for this one, but if we want to rule out forgery, we have to check if the bill denomination on the bottom right-hand corner has color-shifting ink. Every produced bill since 1996 has this trademark.

To check if what you have is a counterfeit currency, tilt it from side to side and look at the number in the upper right corner. The color of the number should change as you shift the bill.

Check the Watermark

Watermark is embedded in the paper to the right of the portrait. You can see it from both sides of the bill, but testing the authenticity will require holding the bill against some source of light. Also, if the watermark is a face, it should match the portrait of the bill.

It is not unusual for counterfeits to bleach bills with smaller denominations and reprint them with higher values. They are easily exposed upon authentication because, in that case, the face doesn't match the watermark.

If there aren't any watermarks - that's an easy indicator that the money is fake. Similarly, if you can see a watermark without the light source, that is proof of counterfeit.

Any Kind of Blurryness is a Red Flag

It is as simple as this: if you notice blurry borders, printing, or text, you are looking at signs of dealing with fake money. Authentic bills are highly detailed, with precise lines, dots, and negative space. There is nothing blurry on an original banknote.

When it comes to this item of a counterfeit check, the first thing you are going to check is note borders. All you need is a magnifying glass and a good sight. Microprinting on the note borders must be readable using this tool. If you can not read it - it's a fake!

Raised Printing

Not everything is tested by sight. If you want to know how to tell if money is fake, you need to open your senses. Use your sense of touch and figure out whether you're holding the real or the fake one.

When you run your fingernail down the note, you should feel some vibrations on the nail from the ridges of the raised printing. This is the result of the uniqueness of the paper and the intaglio printing process. The lack of vibrations should ring a bell, and you should further inspect the bill.

Security Thread with Microprinting

The security thread consists of a thin ribbon threaded through the note's paper. The material of the thread can be made out of plastic or metal foil, and the thread itself can contain engraved text or numbers.

Like a watermark, once you hold up the banknote to the light, the strip should appear in the form of a solid line. Each line has USA and the denomination number printed in letters. For example, the $5 bill will have USA FIVE.

Not every USD note has a security strip in the same area. For example, you can find it to the right of the portrait on the $10 and $50 bills. In contrast, the thread is located on the left of the portrait of the $5, $20, and $100 bills.

Ultraviolet Light

Ultraviolet flashes are accessible, you can easily buy them and many businesses provide them for their floor workers. The ultraviolet glow is a great tool for telling if money is fake.

Real money will not glow under ultraviolet light, rather only the security threads will. The one-dollar banknote is unique, as it has no thread and thus has no glow.

Each denomination thread will glow a different color - $5 has blue security fibers, $10 glows orange, $20 has green fibers, $50 glows yellow, and $100 will be red.

What to Do in Case of Counterfeit Recognition?

There are probably thousands of counterfeit bills in circulation right now, and many retail workers are, unfortunately, held accountable for this misfortune. Knowing how to tell if money is fake is not only a matter of national economic security, it is about safeguarding businesses and jobs of the people who work at the counters.

If you spot counterfeit bills, don’t put yourself in danger. Don’t check the bills in front of the person that gave them to you, don’t yell at them, and don’t try to catch them yourself. Observe a person who gave you the counterfeit notes - everything from facial features to a license plate number, but from a safe distance. After you’ve acquired information about the potential fraudster, hold on to the note and check the above mentioned items. After you’ve established that your suspicions are reasonable, contact the authorities. Treasury suggests contacting the local US Secret Service office along with local police. Source

Tuesday, July 28, 2026

How Much Do My Coins Weigh?

The weight of any coin depends upon three factors: diameter, thickness, and material composition. As such, coins made out of different materials, having different thicknesses, and different diameters will weigh different amounts. Mints from around the world have used a variety of different materials to manufacture coins ranging from precious metals, such as gold and silver, to low-cost steel and aluminum that sells for pennies a pound.

The composition of United States coinage is determined by laws passed by the United States Congress and approved by the President. The Coinage Act of April 2, 1792, established the denominations and specifications that the Treasury Department could direct the United States Mint to manufacture. Congress must approve any changes to the diameter, weight, and composition of the coins.

Although the United States is one of the few nations in the world that has not officially adopted the metric system for commerce, all coin specifications for United States coinage is given in millimeters for diameter and grams for weight.

Mints strive to produce a product that is consistent in diameter, thickness, and material used. However, slight differences in the manufacturing process will lead to variances in the coins it produces. In other words, there will be some slight differences between identical coins that were produced at different times in the minting process.

How Much Does a Penny Weigh?

The United States Mint currently manufactures one-cent coins that consist of a core of 99.2 percent zinc and 0.8 percent copper plated with less than 0.003 inches of pure copper. It is 19.05 millimeters in diameter and weighs 2.5 grams with a tolerance of ± 0.1 grams.

Pennies dated from 1864 until 1982 were made with 95 percent copper and 5 percent zinc. These coins weighed 3.11 grams with a tolerance of ± 0.13 grams. In 1982, the mint produced half of the pennies with the solid copper composition and half of the pennies with the copper-plated zinc composition.

In 1943, Congress dictated that the United States Mint changed the composition of the penny to a core of pure steel plated with zinc. This change in composition was intended to save copper for the manufacturing of munitions to be used in World War II. These steel pennies weigh 2.689 grams with a tolerance of ± 0.13 grams. These steel cents quickly started to rust and deteriorated. In 1944, Congress reversed its decision, and the composition returned to the copper and zinc alloy.

How Much Does a Nickel Weigh?

Since the United States Mint began producing nickels in 1866, the specifications remain fairly constant. The five-cent coin is composed of 75 percent copper and 25 percent nickel. It weighs 5 grams with a tolerance of ± 0.194 grams and has a diameter of 21.21 millimeters. Nickels produced between 1866 and 1883 had a slightly smaller diameter of 20.5 millimeters and therefore were slightly thicker than today's standard.

Since nickels produced in the United States are composed mainly of copper, Congress once again intervened to change the composition of the coin to save copper for the manufacture of munitions to fight the war in Europe. From 1942 until 1945, five-cent coins were composed of 56 percent copper, 35 percent silver, and 9 percent manganese. These coins are easily distinguishable by the large mint mark located above the dome of Monticello on the reverse.

How Much Does a Dime Weigh?

Since 1965, all United States dimes have outer layers of 75 percent copper and 25 percent nickel clad to a core of pure copper. A 10-cent coin weighs 2.268 grams with a tolerance of ± 0.091 grams and a diameter of 17.91 millimeters. Roosevelt dimes dated before 1964 were composed of 90 percent silver and 10 percent copper and weighed 2.5 grams with a tolerance of ± 0.097 grams.

How Much Does a Quarter Weigh?

All 25-cent coins manufactured since 1965 have outer layers of 75 percent copper and 25 percent nickel bonded to a core of pure copper. They weigh 5.67 grams with a tolerance of ± 0.227 grams and a diameter of 24.26 millimeters. Washington quarters manufactured in 1964 and earlier have a composition of 90 percent silver and 10 percent copper, weighing 6.25 grams with a tolerance of ± 0.194 grams.

How Much Does a Half-Dollar Weigh?

The United States half-dollars manufactured for circulation since 1971 have outer layers of 75 percent copper and 25 percent nickel adhered to a core of pure copper with a diameter of 30.61 millimeters. These coins weigh 11.34 grams with a tolerance of ± 0.454 grams.

Kennedy half-dollars minted from 1965 through 1970 have a composition of 40 percent silver and 60 percent copper and weigh 11.5 grams with a tolerance of ± 0.4 grams.

Franklin and Kennedy half-dollars minted between 1947 in 1964 are composed of 90 percent silver and 10 percent copper that weigh 12.5 grams with a tolerance of ± 0.259 grams.

How Much Does a Dollar Coin Weigh?

The United States began producing silver dollars in 1794. The composition, diameter, and weight have changed drastically over time. The United States Mint currently produces the Native American dollar series. These coins are minted with outer layers of 77 percent copper, 12 percent zinc, 7 percent magnesium, and 4 percent nickel clad onto a core of pure copper. These coins weigh 8.1 grams and have a diameter of 26.5 millimeters. These are the same specifications also used to manufacture the Presidential dollar coin from 2007 to 2016.

Other dollar series included the Susan B. Anthony dollar with outer layers of 75 percent copper and 25 percent nickel bonded to a core of pure copper. Anthony dollar coins weigh 8.1 grams with a tolerance of ± 0.3 grams and ​a diameter of 26.5 millimeters.

The last of the "big dollars" was the Eisenhower dollar that also had the copper-nickel clad composition, except they weighed 22.68 grams with a tolerance ± 0.907 grams and a diameter of 38.1 millimeters. Several silver Eisenhower dollars were specially made for coin collectors. These weighed 24.5 grams and were minted with outer layers consisting of 80 percent silver and 20 percent copper bonded to an inter-core of 20.9 percent silver and 70.91 percent copper. These special collector coins were produced in both business strike and Proof finish.

All silver dollars minted from 1794 until 1935 were composed of approximately 90 percent silver and 10 percent copper. They weighed anywhere between 26.956 grams and 26.73 grams. The diameter varied between 39.5 millimeters and 38.1 millimeters.

Article Source

Saturday, July 25, 2026

About the U.S. Mint

 

The United States Mint is the government agency that makes coins! Coins are small, metal discs that people use as money. The Mint makes sure people in the U.S. have coins to spend, save, or collect.

In colonial America, people used coins from other countries, livestock, or crops to pay for goods and services. The U.S. Mint was created in 1792 so that America could have one standard form of money.

Coins and paper bills aren’t made by the same agency. The Bureau of Engraving and Printing (BEP) makes paper money. The Mint has six locations across the United States. 

What Coins Does the Mint Make?

The Mint makes circulating coins for spending. When people and businesses use these coins as money, they are “in circulation.” The denominations you’ll see the most are the penny, nickel, dime, and quarter. The Mint makes half dollars and dollars for collecting, but you can still spend them. 

The Mint makes more than 10 billion circulating coins a year. Cha-ching! It would take you 317 years to count all 10 billion coins.

Congress can create a coin program around a design theme to inspire coin collecting. For example, the 50 State Quarters Program included one quarter for each state and territory. Browse our current and past circulating coin programs. 

What Else Does the Mint Make?

The Mint makes more than just circulating coins. Collectible coins are for people to save and collect. These coins sometimes look like circulating coins or have special designs honoring people or events.

Investment coins are called bullion coins. They are made from precious metals, such as gold and silver.

The Mint also makes medals. Medals aren’t money, they’re awards. The Mint makes a type of medal called Congressional Gold Medals for Congress to honor people who have made our country or the world a better place.

Wednesday, July 22, 2026

Fun Facts Related To The Quarter

The buffalo was once a newcomer.... When the bison appeared on the Buffalo nickel (1913 to 1938), it was the first animal on a circulating American coin that was not an eagle. This newcomer kept its status as the only non-eagle animal until the 50 State Quarters Program introduced more animals (and more buffalo) in 1999.

The quarters are all lined up.... For 10 years starting in 1999, the United States Mint 50 State Quarters Program released a quarter design for each of the 50 states. Which state first? The states were honored in age order—oldest first—according to when they ratified the Constitution or joined the Union.
Heads, it’s Washington; tails, it’s Washington... The New Jersey quarter is not the first coin to have the same president (Washington) on both sides. Do you know the other coin and president? The answer is in another Fun Fact.

If you’re worth 25 cents, why not say so?... The quarter dollar made in 1804 was the first silver coin in the United States Mint's history to have a value on it! Yes, up until then, all silver and gold American coins were non-denominated. People had to know by their size how much they were worth. Only copper coins were required to show their denominations.

It was much too royal for George Washington’s taste.... President Washington, if here today, might be a bit surprised to find himself on the quarter. In considering designs for the first U.S. coins, he and Congress rejected designs picturing him. Why? Too much like monarchy, they said, the very thing from which the United States had rebelled. But in 1899, Washington's image was placed on a U.S. coin—the Lafayette dollar. In 1932, Washington appeared once again on a U.S. coin—the quarter—and still does today.

For more fun facts about quarters read here...

Sunday, July 19, 2026

What Do You Do With Inherited Jewelry?

If you have inherited jewelry, there are several options you can consider. Ultimately, the decision of what to do with inherited jewelry depends on your personal preferences and financial needs.

For instance, jewelry in good condition can be worn and become part of your wardrobe. Likewise, if the jewelry has sentimental value, you may choose to keep it as a cherished family heirloom or have it remade into a more modern design. 

However, if you don’t want to keep the jewelry, you can always donate or sell it. You can take it to a jewelry store or a pawn shop for a quick appraisal, or you can sell it through an online auction site or a jewelry dealership.

What Is the Etiquette for Inherited Jewelry?

There is no one set of rules for the etiquette of inherited jewelry, as it can vary greatly depending on the family’s culture, beliefs, and traditions. 

However, in general, the most important thing is to respect the wishes of the deceased. If the person who left you the jewelry expressed a specific wish for how it should be used or passed on, you should honor their request.

Additionally, if multiple people have inherited jewelry, it’s crucial to have open and honest communication with each other to avoid any misunderstandings. If the jewelry is to be divided among family members, do so in a fair and equitable way.

Is It OK To Sell Inherited Jewelry?

Yes, it is perfectly fine to sell inherited jewelry if you don’t want to keep it. 

Inherited jewelry is considered personal property, and you have the right to do with it as you please. People choose to sell their inherited jewelry for various reasons, such as raising funds for a major purchase, paying off debts, or supporting their lifestyle.

However, it’s important to be mindful of the sentimental value that the jewelry may hold for other family members or for future generations. If you do choose to sell the jewelry, it’s a good idea to communicate your decision with the rest of your family.

Who Gets Jewelry When Someone Dies?

When someone dies, the distribution of their jewelry and other personal property is determined by the terms of their will or trust. If they passed away without any estate planning documents in place, then the state intestacy laws will determine who gets the jewelry. 

A will or trust is a legally binding document that outlines the distribution of a person’s assets, including jewelry, after they die. If the deceased person had a will or trust, their jewelry will be distributed according to the instructions specified in that document.

If the deceased person did not have a will or trust, the state laws of intestacy would come into play. These laws vary by jurisdiction, but typically dictate that the jewelry and other assets are distributed to the deceased person’s closest relatives, such as their spouse or children. If the deceased person was unmarried and had no children, the jewelry may be distributed to other relatives, such as siblings, parents, or grandparents.

How Do You Fairly Distribute Jewelry After Death?

In many instances, jewelry will be distributed according to the deceased person’s wishes, as explained by their estate planning documents. If the deceased person had a will or trust, it should specify how their jewelry and other assets are to be distributed. This can provide a clear roadmap for the distribution process.

However, in situations where the deceased person did not leave a will or trust or it does not specify how particular pieces of jewelry should be distributed, it is essential to split it fairly among heirs, in proportion to the share of the estate they are entitled to receive.

Knowing the market value of each piece can help determine its worth and ensure that it is distributed fairly. If there is any confusion or disagreement about the value of the jewelry, a professional appraiser can provide an independent evaluation that can help resolve any disputes.

How Do You Separate Inherited Jewelry Between Siblings?

While the deceased person’s will and trust may dictate how specific pieces of jewelry should be distributed, if there are no instructions or estate planning documents provided, the personal representative may be placed in the challenging position of deciding how to fairly distribute a jewelry collection. Separating inherited jewelry between siblings can be difficult and emotional, especially if multiple people want to keep certain pieces.

When making these decisions, it’s important for the personal representative to respect the deceased’s wishes as much as possible while also providing for a fair distribution of the estate’s assets. For instance, a family member that wants to keep a valuable piece of jewelry may elect to give up a portion of their monetary inheritance to ensure all siblings receive an equal share of the estate. 

What If Siblings Fight Over the Jewelry?

If siblings fight over jewelry that is part of the estate of a deceased parent and there is no guidance in the will or trust on how it should be distributed, a creative solution may be the best choice. One option would be to rotate possession of certain pieces of jewelry between the siblings who want it while maintaining shared ownership. Or, it may be better to simply sell all the jewelry and split the proceeds.

Even if you hope to resolve the situation amicably, it’s always a good idea to involve a probate litigation attorney as soon as a dispute arises. An experienced lawyer can help you negotiate with your siblings to reach a mutually-agreeable compromise, and, if you cannot come to an understanding, they can help represent your interests in court. 

Source

Thursday, July 16, 2026

Why Are Some Coins Painted Red?

 


 Some junk silver coins are painted red. Junk silver quarters and junk silver dimes can be painted red. These coins were painted red so that a business owner could put them in the juke box and get their coins back when the money was collected. 


Monday, July 13, 2026

Fun Facts Related To The Penny

Once it was hard to tell a penny from a dime... Although they are different colors, pennies and dimes are very close in size. In 1943, copper was needed for war materials, so pennies were made out of zinc-coated steel. Because the color was silvery, it was easy to mistake a penny for a dime. Fortunately, pennies were only made that way for one year.

You might have little round sandwiches in your pocket... Most of our coins are metal sandwiches. The outside layers are three-quarters copper and one-quarter nickel, and the "filling" is solid copper. Pennies are made of zinc coated with copper. Only nickels are one solid material—that same 75% copper/25% nickel alloy. Would you like fries with that?

This penny is almost as big as a half dollar... America's first one-cent piece, called the "large cent," was first struck in 1793, one year after the Mint opened. It was so big that it was hard to use, but it wasn't replaced by a smaller penny until 1857, more than 50 years later.

George Washington was our first President – but not the first President on a circulating coin.... In 1909, President Lincoln appeared on a one-cent coin and became the first real person—as well as the first American president—to have his face appear on a regular-issue American coin.

We used to trade gold, silver, and copper.... A 1792 law directed American money to be made of gold, silver and copper. Gold was used in the $10, $5, and $2.50 pieces. The dollar, half dollar, quarter, dime, and half dime were composed of silver. The cent and half cent were made of copper.

How much was in that first batch?... The Mint produced its first circulating coins—all $111.78 worth of them—in March 1793. That first batch consisted of 11,178 copper cents. Soon after, the Mint began issuing gold and silver coins as well.

Heads, it’s Lincoln; tails, it’s Lincoln.... The Lincoln cent (1959 to 2007) featured this beloved president on both sides of the coin. On the obverse, we see his face in profile; on the reverse, he is seated in the Lincoln Memorial. However, the coin does carry the initials of two different engravers.

There were copper pennies and white cents?... Yes, there were "white cents" that didn't look at all like pennies. These were the Flying Eagle one cent coins of 1856–58 and the Indian Head one cent coins of 1859-64. They were made from metal that contained 88 parts copper to 12 parts nickel, which gave them a light or white color.

Learn more about the penny here...

Friday, July 10, 2026

Types Of Counterfeit: Electrotypes

These are often created by museums to display an extremely accurate replica of a genuine coin for security purposes or to show both sides of a coin at the same time. They are created by pressing the genuine piece into a soft material, thereby creating a negative impression. The inside of that impression is then electroplated to create a shell with the design of one side of the coin. The process is repeated for the other side of the coin and the two sides are then joined together. Electrotypes can often be extremely deceptive. There will often be a seam on the edge, however, and electrotypes are usually not the correct weight. They will also not “ring” like a genuine coin when lightly tapped or dropped because they are not struck. 

Learn more here...


Tuesday, July 7, 2026

Types Of Counterfeit: Altered Dates

When one date in a series is worth much more than another, a counterfeiter may try to use a tool to try to change the date of a common issue into a rarer date. Altered dates can be deceptive since the original coin was genuine with the correct details, weight and composition—only the date is illegitimate.

Even the most skilled coin doctor will always leave behind “tool marks,” which are lines left by the tool used to sculpt the new date. Not surprisingly, these tool marks are usually concentrated around the digit that has been altered. Like counterfeits, coins with altered dates or mintmarks will not be certified by NGC. Coins with other types of tooling are eligible for NGC Details grading, which assigns an adjectival grade along with a description of the problem. Source

Saturday, July 4, 2026

Happy Independence Day!

 


Happy Independence Day from us at Martinez-Vallejo Coin Exchange!

3755 Alhambra Ave Ste 1

Martinez CA 94553

925-335-9500


Wednesday, July 1, 2026

How to Collect Gold Scrap

Collecting gold scrap can be a fun way to make some extra money. For this modern-day treasure hunt, your best bet is to look for gold jewelry in flea markets and thrift shops. If you’re down for a chemistry experiment, you can also mine for gold in your old computers and other electronics. Once you’ve got a collection going, send it along to a buyer online or locally to cash in on your shiny finds!

1.) Look for flea markets or shops with costume jewelry. This is the easiest way to collect scrap gold. Google flea markets and thrift shops near you. It’s best to look for larger flea markets with lots of vendors, as these events will concentrate the most potential gold in one spot. Some flea markets might operate more like festivals and will only be open for business once per year.

2.) Visit the market in the morning. The earlier you get to the market or shop, the better. Aim to arrive 15 minutes before it opens so you can be one of the first visitors to take advantage of cool finds and great deals. Go for the costume jewelry displays first, then move on to the more expensive collections.

It’s best to schedule your gold hunt on a day when you don’t have anything else going on. Pick a day off from work or a free Saturday so you can spend hours looking for your treasures.

3.) Find a pocket-sized magnet to bring along. You can purchase a magnet online or at a local hardware store. Look for one that’s about the size of a domino. You can use this tool to test if jewelry is gold or just another metal that’s been plated with gold.

The magnet won’t stick to real gold. Test clasps and other parts of jewelry separately. Sometimes a clasp will be plated, but the majority of the piece will be real gold.

4.) Search for markings showing the gold content of the piece. Look for labels showing what type of gold the jewelry is. In the United States, most jewelry will be stamped as 10K, 14K, 18K, or 24K. The “K” stands for a karat (sometimes spelled carat), a measurement that indicates the amount of gold in an item. A 24K piece is pure gold.

For jewelry made outside of the United States, you may just see numbers instead of karat markings. 10K translates to 417, 14K is 585, 18K is 750, and 24K is 999.

5.) Avoid jewelry with manufacturing markings. Some jewelry will be labeled with an assortment of letters. These markings show that the gold is plated. Stay away from the following:

  • GE, which means gold electroplate. You may also see GP, which stands for gold plated.
  • HGE, or heavy gold electroplate.
  • GF for gold filled.
  • HGP, or heavy gold plate.

It’s also a good rule of thumb not to purchase jewelry with unusual or unidentifiable markings. These are usually a good indicator that it’s not gold.

6.) Don’t spend over $10 USD per piece. The only way to make money off your gold scrap is not to spend too much collecting it! Many flea markets will allow you to buy a whole bag of mixed costume jewelry for between $2 and $10 USD. You can also choose to purchase individual pieces. And don’t forget to haggle!

Offer your vendor less than their asking price and hesitate when they give you a higher counter-offer. You could say something like: “I can give you $2 instead of $5 for that bracelet.”

Sunday, June 28, 2026

The Hobby Of Kings And The Rise Of Numismatics

The main difference between coin collecting before and after the Renaissance is the development of an active market. With the new wave of interest, demand for antique coins greatly exceeded the available supply. During the 15th and 16th centuries, ancient-coin collecting became the “hobby of kings,” and the list of collectors is a list of European nobility. At the same time, famous artists were employed by these patrons to create replicas of ancient coins and portrait or commemorative medals, which became collectible in their own right. The appetite of collectors fueled a cottage industry of agents and prompted a search of source lands for salable artifacts. As might be expected, the insatiable market created such demand that it also fostered the introduction of forgeries.

By the 17th century, the nature of collecting had shifted slowly toward serious research. As a result, very broad collections were formed, studied, and cataloged. Numismatics became an academic pursuit, and many important treatises were published during that period. The involvement of institutions and the rise of public collections in the 18th century led to sponsorship of academic study, which elevated numismatics to the stature of a science. Most important, the exchange of information and new discoveries was formalized through detailed and widely published treatises on the topic of coins and collecting. Many of the large private collections of noble families came under state control during this period, and the subsequent cataloging of these holdings added volumes to existing knowledge. This information was readily available to the general public, and coin collecting became a pursuit of middle-class merchants and members of the various professions who were growing in numbers as well as cultural sophistication. Collecting ancient coins is one of the few ways that the average person can own actual objects from antiquity, and this point was not lost on the growing collector base. Coins are remarkably accessible pieces of history. Source

Thursday, June 25, 2026

War Nickels; What They Are And Why To Search For Them

 


 Learn all about Henning War Nickels here and why you would keep your eyes peeled for them to add to your coin collection! 

Monday, June 22, 2026

Types Of Counterfeit: Transfer Die Counterfeits

These fakes have become increasingly commonplace in the last few decades. Unfortunately, this type of fake can also be the most deceptive. A genuine coin is used to create a die that is an exact mirror image of the coin. This includes any and all marks, scratches or other issues on the surface of the genuine coin. As a result, every fake struck from these counterfeit dies will have the same depressions (marks are called “depressions” on counterfeits). NGC graders look for these repeating depressions as well as overall weak details to identify fakes made from transfer dies. These spurious pieces may also have incorrect weights and compositions as well as unusual luster.

Source

Friday, June 19, 2026

Happy Fathers Day

Happy Fathers Day from us at Martinez Coin & Jewelry Exchange to you!

Have a blessed weekend celebrating how amazing you truly are.

3755 Alhambra Ave Ste 1

Martinez, CA 94553

CALL US: 925-335-9500

Tuesday, June 16, 2026

How To Start Collecting Dollar Bills

Are you fascinated by the intricate designs and historical significance of paper currency? Collecting dollar bills might be the perfect hobby for you. Whether you're an experienced currency collector or a novice enthusiast, this comprehensive guide will help you embark on a dynamic journey into the world of American paper money.

1. Educate Yourself on Dollar Bill History

To truly appreciate your dollar bill collection, delve into the rich tapestry of American paper money history. Understand the evolution from large-sized notes to the modern currency we use today. Explore the stories behind significant changes, like the shift from gold and silver certificates to Federal Reserve Notes.

Familiarize yourself with historical figures featured on bills and the reasons behind their selection. Recognizing these nuances adds depth to your collection, transforming each note into a tangible piece of American history.

2. Define Your Focus

When diving into the captivating world of collecting dollar bills, the numerous options might seem overwhelming. Let's break down some key types of notes to help you find your focus:

  • Legal Tender Notes: A United States Note, or Legal Tender Note, was used from 1862 to 1971. Although no new notes have been issued since 1971, existing United States notes remain legally tender. Due to their scarcity in circulation, collectors often pay more than the face value for these notes.
  • National Bank Notes: Introduced during the Civil War, National Bank Notes were issued by chartered banks and backed by U.S. government bonds. While these notes weren't universally accepted as legal tender, they were deemed acceptable for most transactions involving the federal government.
  • Federal Reserve Notes: This currency is in use today and was introduced by the Federal Reserve System in its first release back in 1914.
  • Treasury Notes: This currency is also known as a "Coin Note." It was only circulated for a brief time during the 1890 and 1891 series. Valuable metals supported these notes and could be exchanged for gold or silver coins.
  • Denomination: You can focus your collection based on the dollar bill denomination, such as $1, $2, $5, $10, $20, $50, or $100. This approach allows you to explore the evolution of designs and security features within a specific value range.
  • Star Notes or Replacement Notes: Star notes are replacements for damaged or misprinted bills and are easily identified by a star next to the serial number. Collecting these adds an element of rarity, as star notes are produced in smaller quantities than standard notes.
  • Significant Figures: Some collectors specialize in acquiring notes that highlight specific historical figures. For example, notes that portray Abraham Lincoln or Alexander Hamilton can make for a captivating and historically rich collection.

In choosing your focus, consider what aspects resonate most with your interests. Whether it's the charm of obsolete bank notes, the historical depth of Legal Tender Notes, or the regional stories embedded in National Bank Notes, defining your focus adds a personal touch to your dollar bill collection.

3. Set a Budget for Your Dollar Bill Collection

As you embark on your dollar bill collection journey, establishing a budget is key. Determine a realistic spending limit, considering factors like rarity and historical significance. A well-thought-out budget ensures you enjoy collecting dollar bills without straining your finances.

It also guides you to make informed decisions, helping strike a balance between building a meaningful collection and maintaining financial comfort. Remember, the joy of collecting dollar bills should enhance your life, not burden it. So, set a budget that aligns with your passion and pocket.

4. Start with Everyday Circulation Currency

Begin collecting dollar bills organically by checking your everyday transactions for hidden gems. Glance through your change, and don't hesitate to ask local banks for any unique bills they may have. Starting with everyday circulation currency allows you to uncover surprises, like star notes or replacement notes, without significant effort or expense. It's a low-key way to introduce yourself to the thrill of finding intriguing bills in the most unexpected places.

5. Connect with Other Currency Collectors

Dive into the vibrant world of currency collecting by connecting with fellow enthusiasts. Online forums, social media groups, and local meet-ups are invaluable resources. Engaging with other collectors opens doors to valuable insights, trade opportunities, and a shared passion for the art of paper money.

Share your discoveries, seek advice, and enjoy the camaraderie of a community that understands the excitement of finding that elusive note. Networking not only enriches your knowledge but also transforms your collecting experience into a shared journey. Embrace the collective enthusiasm; after all, currency collecting is a conversation waiting to happen.

6. Explore Online Marketplaces and Reputable Dealers

Navigating online marketplaces for buying and selling dollar bills can be rewarding if done with caution. Here are some tips to guide you through the process:

  • Research Dealer Reputation: Before making any purchases, research the reputation of the dealer. Look for reviews, testimonials, and ratings from other collectors. Reputable dealers often have a positive track record within the numismatic community.
  • Check for Memberships in Numismatic Associations: Trustworthy dealers often belong to recognized numismatic associations or organizations. Membership indicates a commitment to ethical standards and professionalism in the field.
  • Review Detailed Descriptions and Images: Reliable dealers provide thorough descriptions and high-quality images of the dollar bills they offer. This transparency helps you assess the condition and authenticity of the notes before making a purchase.
  • Examine Return Policies: Ensure the dealer has a clear and fair return policy. This is crucial in case you receive a bill that doesn't meet your expectations or if there are any issues with the transaction. A reputable dealer should be transparent about their return process.
  • Verify Secure Payment Options: Look for secure payment options to protect your financial information. Reputable dealers offer trusted payment methods, providing you with a safe and secure transaction experience.

Remember, a little diligence in your online transactions goes a long way in securing a positive and enjoyable experience in expanding your dollar bill collection.

7. Organize And Protect Your Dollar Bill Collection

Properly organizing and protecting your dollar bill collection is essential for preserving its condition over time. Consider these tips for storing your collection the right way:

  • Create an Inventory: Keep a detailed catalog or inventory of your collection, listing factors like denomination, series, and any unique features. Organizing your collection not only helps you track your progress but also assists in identifying any gaps or specific items you're still looking for.
  • Avoid Direct Sunlight: Store your dollar bills in a secure and climate-controlled environment to prevent damage.
  • Use Protective Holders: Invest in acid-free holders, sleeves, or albums designed specifically for currency. These protective enclosures shield your dollar bills from environmental factors, preventing damage and preserving their quality.
  • Store Flat: If using albums or holders, store your notes flat rather than folded. This prevents creases and ensures the bills maintain their original crispness.
  • Handle With Clean Hands: The natural oils and dirt on your fingers can transfer to the notes, causing gradual damage over time. If necessary, use cotton gloves to handle your collection.
  • Regularly Inspect Your Collection: Periodically inspect your collection for any signs of damage or deterioration. Catching issues early allows you to take corrective measures and preserve the overall quality of your notes.

By following these storage tips, you not only protect the physical integrity of your dollar bills but also ensure that your collection remains a source of enjoyment for years to come.

8. Understand the Grading Process

Grading is a crucial aspect of collecting dollar bills, as it provides a standardized assessment of a note's condition. It involves evaluating the physical condition of a dollar bill, considering factors like wear, folds, and overall preservation. Professional grading services, such as PCGS (Professional Coin Grading Service), use a standardized scale to assign a grade.

Familiarize yourself with the grading scale used by the chosen service. This includes understanding terms like "Fine," "About Good", "Very Good," etc. Also, grading services provide guidelines on what constitutes wear, folds, or other imperfections. Study these guidelines to assess the condition of your notes accurately.

Graded notes generally command higher prices in the market. Understand how the assigned grade affects the value of your notes, helping you make informed decisions in buying or selling.

9. Stay Informed About American Paper Money

Keep your finger on the pulse of American paper money by staying informed. Regularly explore updates on new releases, design changes, and historical anecdotes related to U.S. currency. Follow reputable numismatic sources, engage in online discussions, and attend events or shows. This ongoing learning journey not only enriches your collection with the latest insights but also deepens your appreciation for the evolving narrative woven into each dollar bill.

Uncover the Beauty in Every Note

Collecting dollar bills is an engaging hobby that allows you to explore the rich history and designs of American currency. Whether you're drawn to large-sized notes, star notes, or historical banknotes, this dynamic hobby offers a world of possibilities. So, start your dollar bill collection today and embark on a journey filled with historical discoveries and fascinating conversation pieces.

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Saturday, June 13, 2026

Your Coin Exchange Professionals in Martinez and Vallejo.

Since 1979, we have prided ourselves on excellent personalized customer service in our Vallejo location. Now we bring our renowned expertise and excellence in customer service to Martinez. We love to take the time to educate our customers about their current numismatic holdings, value of their used or unwanted jewelry and we have a passion for the rich history of precious metals.

With our convenient locations in Martinez and Vallejo we are the largest retailer in Solano & Contra Costa Counties of Coin Supplies. We carry a large variety of coin books and supplies. We can satisfy the needs of everyone from the novice to the professional collector or treasure hunter.

We buy all forms of scrap gold and silver at prices based on the current market value. We also buy and sell all types of U.S. coins and paper money, bullion and some foreign coin.

Bring in your unwanted jewelry and other miscellaneous items for a quote. If your item is not listed give us a call or bring it in, it may still be something we buy. Martinez Coin & Jewelry Exchange and Vallejo Coin Exchange pay you on the spot! (ID is required and you must be 18 or older).

Wednesday, June 10, 2026

Earn Immediate Cash with Martinez Coin & Jewelry Exchange and Vallejo Coin Exchange

If you are in need of fast cash, don’t hesitate to call Martinez Coin & Jewelry Exchange or Vallejo Coin Exchange now.

We understand everyone has challenging times, so we can assist with your immediate cash needs. No matter the reason, we can help you in your time of need. We have over 30 years of experience in offering fair and honest prices. Bring your items to us, leave with cash. It is that simple.

GIVE US A CALL:

Martinez Coin & Jewelry Exchange

925-335-9500

Vallejo Coin Exchange

707-554-1754

Sunday, June 7, 2026

What Is Numismatics?

Numismatics studies the physical embodiment of various payment media (i.e., currencies). The study of numismatics as it applies to coins is often used to research the production and use of the coins to determine their rarity. 

Numismatics differs from historical and economic studies of money. Numismatists study the physical attributes of the payment media rather than the use and function in an economy. Numismatics is often used interchangeably with coin collection, though it connotes more intensive study than simply collecting coins. It could be said that all numismatists are coin collectors, but not all coin collectors are numismatists. It is widely believed that numismatics began during the early European Renaissance as part of an effort to re-discover all things classical.

The first English usage of the word “numismatics” was in 1829, stemming from the adjective numismatic, which translates to "of coins”, and stemmed from the French word numismatiques, which derives from the Latin word numismatis.

Numismatics refers to the study and analysis of how people use money and the collection of various types of money, coins, and other forms of consideration. The history of numismatics dates back centuries. However, coin collecting likely began at the time currency was invented.

Before the 19th century, coin collecting was an individual hobby—one most often enjoyed by nobles, the religious elite, and rulers. During the Roman Empire, emperors like Caesar Augustus collected coins from various places to use as leverage in trade negotiations and to gift to guests.

Because of their properties and value as collectibles, rare currency units can trade well above their face value or the commodity value of their physical substance. For example, some 20th-century U.S. silver quarters, with a face value of 25 cents and a silver melt value of a few dollars, can trade for tens of thousands of dollars apiece. 

Numismatic Fun Facts

  • Florence, Italy, was the first world city to mint its own gold coins in the year 1252.
  • Although collecting old coins is a global hobby practiced by the masses, in ancient times, it was deemed a royal hobby solely enjoyed by kings and queens.
  • The United States Secret Service, established in 1865, was originally created to fight counterfeit money during a time when one-third of federally issued paper money was thought to be fake. It wasn't until 1902 that the Secret Service shifted its responsibility to protecting the president following the assassination of President William McKinley. Source

Thursday, June 4, 2026

What Is The Difference Between Circulated and Uncirculated Coins?

The main difference between the two types of coins can usually be easily identified, and the value difference can often be considerable. Every coin starts its life as uncirculated when it is struck at the mint, and it remains in uncirculated condition until it enters the commerce stream or is otherwise damaged.

Uncirculated Coins

In order to be certified as uncirculated, like these uncirculated U.S coins, a coin must not exhibit any trace of having been in circulation. There are two major factors that indicate a coin is in uncirculated condition:

Mint luster. Coins that have never been in circulation usually exhibit a distinctive sheen or luster. The luster wears off very quickly once the coin is in circulation and has been touched by bare hands. It may also diminish over time.

No trace of wear. One of the most obvious signs that a coin is uncirculated is the absence of wear or rubbing on the coin’s high points. As soon as the coin enters circulation, the high points start to show traces of depreciation.

Uncirculated Coin vs Circulated Coin

Contrary to popular belief, an uncirculated coin is not always in pristine condition. It can, in fact, exhibit “contact marks,” which are small dings and even scratches that can be picked up from contact with other coins at the mint and in bags as the coins are transported from the mint. Take for example Morgan Silver Dollars, some of which are considered uncirculated, even though they bear marks from being jostled in bank bags. Experts can tell the difference between contact marks and wear from circulation.

What are the different grades for uncirculated coins?

Uncirculated coins are graded between MS60 and MS70. A coin in perfect MS70 condition will not have any contact marks or other blemishes, while a coin in MS60 condition may show contact marks and may be missing much of its luster.

Circulated Coins

Any coin that has entered circulation is classified as circulated. The condition of a circulated coin ranges from barely-perceptible traces of wear to so heavily worn that few details can still be seen. Some coins are collected almost exclusively in uncirculated condition, while others are virtually unobtainable in uncirculated condition. In general, the older the coin, the more difficult it can be to find in uncirculated condition. Modern coins are usually collected only in uncirculated condition.

To illustrate the potential difference between the value of circulated and uncirculated coins, look at the 1884 Morgan Silver Dollar from the San Francisco mint. The value of this coin is about $50 in the average circulated grade of EF40. Its value increases to about $5,500 in the lowest uncirculated grade of MS60 and $250,000 in the high grade of MS65.

Circulated Coins vs Uncirculated Coins

Not all coins exhibit such dramatic differences in value between circulated and uncirculated condition, but the value will always be higher for an uncirculated coin than for the same coin in circulated condition.

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