8 Rare Dimes and Bicentennial Quarters Valued at $75 Million

Rare coins continue to fascinate collectors and investors alike. While many people focus on gold or silver bullion, certain dimes and quarters—especially Bicentennial quarters—have skyrocketed in value due to rarity, historical significance, and minting errors. Some of these coins are now valued at tens of millions, making them life-changing finds. Let’s take a closer look at 8 extraordinary coins—a mix of rare dimes and quarters—collectively worth an estimated $75 million.

1. 1976 Bicentennial Quarter (No Mint Mark, Double Die) – Worth Over $20 Million

This Bicentennial Quarter, struck in 1976 to commemorate America’s 200th anniversary, features the familiar Drummer Boy design. However, an ultra-rare version with no mint mark and double die obverse (where the date and motto are visibly doubled) has fetched insane prices.

These quarters were struck on proof planchets, but somehow entered circulation. There are fewer than 10 known examples, and one high-grade specimen sold for over $20 million at auction. If you have a 1976 quarter, check for doubling on the words “LIBERTY” and “IN GOD WE TRUST.” You might be holding history—and a fortune—in your hands.

2. 1894-S Barber Dime – Valued at $10 Million

Arguably the most legendary dime in U.S. coin history, the 1894-S Barber Dime is so rare that only 24 were ever minted, with fewer than 10 known to still exist today. These dimes were struck at the San Francisco Mint and given to VIPs and officials, making them more of a collector’s treasure than a circulation coin.

One sold for $2 million in 1990, but prices have soared, and in the current market, an 1894-S dime in top condition is easily valued at $10 million. If you ever see one in a collection or auction, you’re looking at a coin few will ever hold.

3. 1975 No-S Roosevelt Dime – Worth $2 Million+

This dime is a result of a rare minting omission—it lacks the “S” mint mark that should appear on proof coins made in San Francisco. Only two examples of this error are known to exist. These 1975 No-S dimes were mistakenly released in proof sets and are now considered holy grails among collectors.

The unique blend of scarcity, error, and historical intrigue has pushed their value well past the $2 million mark. If you have a 1975 proof set, it’s definitely worth double-checking this little coin.

4. 1968-S No-S Roosevelt Dime – Valued Around $500,000

Another rare error coin, the 1968-S No-S Roosevelt Dime was supposed to be struck as a proof coin at the San Francisco Mint, yet lacks the mint mark entirely. Unlike the 1975 version, more of these have been found—though they’re still exceptionally rare.

Fewer than 20 certified examples exist, and they can command prices ranging from $200,000 to over $500,000 depending on condition. What makes this coin so valuable is its proof status combined with a missing mint mark, creating a perfect storm for rarity and desirability.

5. 1976-S Bicentennial Silver Proof Quarter – Valued at $750,000

This silver-clad proof quarter was part of a limited run and is particularly valuable if in pristine condition. The real treasure is when you find one with a deep cameo finish and zero post-mint blemishes. Collectors are willing to pay top dollar for flawless examples.

One such quarter, graded PR70DCAM, sold for over $750,000. These were originally part of a special 3-coin silver proof set issued by the U.S. Mint, and many remain stored away in safe deposit boxes or attics.

6. 1942/1 Mercury Dime – Worth Up to $300,000

The 1942/1 overdate Mercury Dime is a result of a classic minting error. Due to die reuse, the “1” from 1941 was accidentally left under the newly engraved “2” in 1942. The overdate is clearly visible with the naked eye and adds a significant premium to the coin’s value.

Even in lower grades, this error dime is worth thousands, while mint-state specimens can reach $300,000 or more. It’s one of the most dramatic and desirable errors in dime collecting.

7. 1982 No P Roosevelt Dime – Valued at $75,000+

In 1982, a small number of Roosevelt dimes were accidentally struck at the Philadelphia Mint without the “P” mint mark, a rarity for that era. Only a few thousand made it into circulation before the mistake was caught. These coins are still found today in pocket change or coin rolls.

While not as rare as some others on this list, high-grade versions of the 1982 No P dime can fetch $75,000 or more. It’s a great example of how modern error coins can become hot collectibles.

8. 1916-D Mercury Dime – Valued at $250,000+

The 1916-D Mercury Dime has long been a favorite among serious collectors due to its low mintage of just 264,000 coins. It was the first year of the Mercury dime series, and the Denver Mint produced only a small fraction of that year’s total.

In fine condition, this dime can sell for $1,000 to $5,000, but uncirculated versions in pristine condition have topped $250,000 at auction. Look for the small “D” on the reverse—if you spot one, you may have a small coin with a huge payoff.

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Conclusion

The world of coin collecting is full of surprises, and sometimes the smallest change in your pocket could hold immense value. From rare Bicentennial quarters to error dimes, the right coin could change your financial life. With the market surging and collectors hunting aggressively for missing pieces, now is the perfect time to examine your change jar, inherited collections, or old coin albums. The eight coins featured above have a combined estimated value of $75 million—so don’t overlook your spare change. You just might have a hidden fortune sitting in your drawer.