5 Valuable Coins with No Mintmark

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Written By Natasha Jones
I'm Natasha Jones, an avid collector of coins, stamps, and paper money. My passion drives me to seek unique finds, from antique shops to international exchanges. I enjoy connecting with fellow collectors through forums and meet-ups, sharing discoveries and insights. Collecting, for me, is about preserving history and building a community around this shared interest.

If you’re looking to invest in rare coins, one of the best ways to do that is by purchasing a coin with no mintmark.

Most coins have a mint mark showing which government mint they were produced in, but some rare coins don’t have one.

5 Valuable Coins with No Mintmark:

1. 1922 No-D Lincoln Penny

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One of the most well-known and highly sought-after error coins in all of numismatics is the 1922 No-D Lincoln Penny.

The “Plain” or “No Mint Mark” Lincoln cent of 1922 is another name for this type.

Coins typically bear a mint mark that designates the facility that struck the coin.

Coins with a “D” mint mark were produced at the Denver Mint, while those with a “S” mint mark were produced at the San Francisco Mint.

The Denver Mint made a mistake in 1922 and produced a small number of Lincoln cents without the “D” mint mark.

When discovered, this error coinage caused quite a stir among coin collectors.

The 1922 No-D Lincoln Penny quickly rose in value as collectors scrambled to acquire one.

The Denver Mint eventually started adding the “D” mint mark back to Lincoln cents after the mistake was fixed.

2. 1968 No-S Roosevelt Proof Dime

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The 1968 No-S Roosevelt Proof Dime is another well-known and highly sought-after error dime.

Proof coin sets, unique coins struck with extra care and attention to detail for collectors, were produced by the San Francisco Mint in 1968.

Proof coins struck at the San Francisco Mint typically bear an “S” mint mark, denoting their point of origin.

A few 1968 Roosevelt Dimes were struck without the “S” mint mark due to a mistake during production.

These coins, lacking the appropriate mint mark, were accidentally included in regular proof sets.

The 1968 No-S Roosevelt Proof Dime followed the trend of other error coins becoming a highly sought-after collectible.

3. 1971 No-S Jefferson Proof Nickel

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Another famous and highly sought-after numismatic error coin is the 1971 No-S Jefferson Proof Nickel.

Like other proof coins, Proof Jefferson Nickels are typically struck by the United States Mint at the San Francisco Mint, denoted by a unique “S” mint mark.

There were a few 1971 proof Jefferson Nickels that lacked the “S” mint mark because of a mistake.

Without the proper mint mark, these erroneous coins were included in regular proof sets and released to the public.

This caused the 1971 No-S Jefferson Proof Nickel an instant classic among collectors.

This error coin was only produced in small quantities, so its value skyrocketed on the collector’s market due to demand and curiosity.

4. 1975 No-S Roosevelt Proof Dime

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The 1975 No-S Roosevelt Proof Dime is a mistake coin made when proof coin sets were made in 1975.

A typical proof coin set from that year would have the “S” mint mark on the Roosevelt Dime to show that it was made at the San Francisco Mint.

But a small number of 1975 Roosevelt Dimes were made without the “S” mint mark because of a mistake at the mint.

Mistakenly, these error coins were put into circulation as part of proof sets without the correct mint mark.

When the mistake was discovered, collectors were very interested, and the 1975 No-S Roosevelt Proof Dime quickly gained a lot of value on the numismatic market.

Due to how rare it is, collectors are very interested in the 1975 No-S Roosevelt Proof Dime, and it can be worth a lot, especially if it is in good condition.

If you own one, it’s important to have it checked and graded by a reputable coin grading service to ensure it’s real and to find out how good it is.

5. 1983 No-S Roosevelt Proof Dime

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The 1983 No-S Roosevelt Proof Dime is a rare error coin worth money.

The Roosevelt Dime in a standard-proof coin set from that year should have an “S” mint mark to show that it was made at the San Francisco Mint.

But a few 1983 Roosevelt Dimes were made by mistake without the “S” mint mark.

By mistake, these mistake coins were put into circulation in proof sets without the correct mint mark.

When coin collectors and experts discovered this mistake, it became a big numismatic mystery and a highly sought-after collectible.

Due to how rare it is, the 1983 No-S Roosevelt Proof Dime is worth a lot more on the market for collectors, especially if it is in good condition.

If you own one, it’s important to have it authenticated and graded by a trusted coin grading service to ensure it’s real and get an accurate idea of its condition.

Before you go…

These coins are not only hard to find but also very valuable. We hope this list has given you some ideas on where to look for these elusive coins!

Check out my next article: “What are Morgan Dollar Errors? Varieties and Value

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