Interest in rare American coinage is hitting a fever pitch as the 250th anniversary of American independence approaches. Collectors, hobbyists, and even casual treasure hunters are rummaging through old coin jars and inherited collections hoping to find that one elusive gem.
In this guide, we’re looking into five of the most valuable dimes ever minted and the surprising worth of certain Bicentennial quarters you might already have.
Barber
Let’s start with the crown jewel of American dimes: the 1894-S Barber Dime. Known as the “Holy Grail” for dime collectors, this tiny coin packs a serious punch when it comes to both history and value.
Only 24 pieces were struck at the San Francisco Mint, meant to square off the mint’s annual accounts. As of today, just nine confirmed examples exist. The coin features the classic Barber head design and an “S” mint mark beneath the wreath on the reverse side.
If you’re lucky enough to come across one, expect it to fetch over 2 million dollars at auction. It’s one of those coins that can instantly turn a modest collection into a priceless treasure trove.
Mercury
Fast forward to 1916, and you’ll find another standout — the 1916-D Mercury Dime. It holds the title for the lowest mintage of the Mercury dime series, with just 264,000 struck at the Denver Mint.
The coin is easily identified by the small “D” mint mark on the reverse. Well-preserved examples can sell for over 10,000 dollars, while pristine, uncirculated versions sometimes command more than 100,000 dollars. If you’re combing through old pocket change or a relative’s coin collection, keep an eye out for this 20th-century rarity.
No-S1975
Modern errors often become instant classics, and the 1975 No-S Roosevelt Dime is a perfect example. These proof coins were intended to bear the San Francisco Mint’s “S” mark — but due to a minting mistake, a few slipped through without it.
Only two examples are known to exist. In 2019, one of them sold for a jaw-dropping 456,000 dollars. It’s considered one of the rarest and most valuable modern U.S. coins, proving that even relatively recent coins can be worth a fortune under the right circumstances.
No-S1968
Another mint mark mishap, the 1968 No-S Roosevelt Dime, adds yet another fascinating chapter to U.S. coin history. Similar to its 1975 counterpart, this error happened during the proof coin minting process.
It’s estimated that fewer than 20 examples exist today. High-grade specimens have been auctioned for 30,000 dollars or more. Authentication requires close magnification — counterfeit examples are known to circulate.
Overdate
Last but not least is the 1942/1 Mercury Dime, a wartime overdate error where a “1” is clearly visible beneath the “2” in the date.
This mistake occurred at both the Philadelphia and Denver Mints. Values range widely: a circulated example might be worth 500 dollars, while an uncirculated one can exceed 10,000 dollars. It’s a must-have for serious Mercury dime enthusiasts.
Bicentennial
Now, let’s talk about a coin you might actually own — the 1976 Bicentennial Quarter. Though billions were minted, a select few with minting errors or proof versions in top condition can sell for hundreds or even thousands.
Key factors include no mint mark errors, deep cameo finishes, or high-grade uncirculated condition.
If you find one with perfect luster and a grade above MS-67, it could fetch 1,000 to 5,000 dollars. Worth checking that old coin jar, isn’t it?
Rare coins aren’t just metal discs — they’re tiny time capsules with stories, secrets, and sometimes, staggering value.
Whether you’re a seasoned numismatist or a curious treasure hunter, keep those eyes peeled. You never know what fortune might be hiding in plain sight.
| Coin | Estimated Value Range | Notable Feature |
|---|---|---|
| 1894-S Barber Dime | $2,000,000+ | Only 9 known to exist |
| 1916-D Mercury Dime | $10,000 – $100,000+ | “D” mint mark |
| 1975 No-S Roosevelt Dime | $450,000+ | No “S” on proof coin |
| 1968 No-S Roosevelt Dime | $30,000+ | No “S” on proof coin |
| 1942/1 Mercury Dime | $500 – $10,000+ | Overdate error |
FAQs
What makes the 1894-S Barber Dime so valuable?
Only 24 were minted and just 9 exist today, making it extremely rare.
How rare is the 1916-D Mercury Dime?
With only 264,000 produced, it’s the rarest Mercury dime minted.
Why is the 1975 No-S Roosevelt Dime special?
A proof coin error without the ‘S’ mint mark — only two known exist.
What is a 1942/1 Mercury Dime worth?
Between $500 and $10,000+ depending on its condition.
Can Bicentennial Quarters be valuable?
Yes, rare errors or high-grade proof examples can fetch up to $5,000.
