The 1970-S No S Proof Roosevelt Dime is a highly coveted treasure among coin collectors, combining rarity and a fascinating backstory. This unique coin was created by mistake due to a minting error that led to the omission of the usual “S” mint mark, which signifies it was produced at the San Francisco Mint. What makes this coin even more extraordinary is that a few of these error dimes made their way into regular circulation, providing collectors with the rare opportunity to discover a valuable coin worth as much as $1,300.
In this article, we’ll dive into the details of this exceptional coin, its key features, and what makes it such a prized find. Whether you’re a seasoned collector or just curious about rare coins, you’ll learn how to identify this particular dime, why it’s worth so much, and how it continues to spark interest in the numismatic community.
An Overview of the 1970-S No S Proof Roosevelt Dime
| Feature | Details |
|---|---|
| Year | 1970 |
| Mint Location | San Francisco |
| Mint Mark | None (missing the “S” mint mark) |
| Composition | 75% copper, 25% nickel over a pure copper core |
| Diameter | 17.9 millimeters |
| Edge | Reeded |
| Finish | Proof, with a mirror-like surface and sharp details |
| Estimated Quantity | About 2,000 coins |
| Value Range | $500 to $1,300, depending on condition |
The Origin of the Error
The Roosevelt Dime, introduced in 1946, honors President Franklin D. Roosevelt and his advocacy for public health, notably through his support of the March of Dimes. Proof coins, like the 1970 version, are made with a high-quality finish intended for collectors. These coins typically feature a mint mark that indicates where they were struck, with the 1970 proofs usually bearing the “S” mark for the San Francisco Mint.
However, a small number of dimes in 1970 were mistakenly minted without the “S” mint mark, creating an accidental rarity that has since become highly sought after. These dimes were originally part of proof sets sent to collectors but later found their way into general circulation over time, further fueling their value among numismatists.
Key Features of the 1970-S No S Proof Roosevelt Dime
To identify this rare error coin, look for these important characteristics:
- Missing Mint Mark: The most obvious sign of the coin’s rarity is the absence of the “S” mint mark above the date on the obverse (front) side.
- Proof Finish: The coin has a brilliant, mirror-like surface with sharp, precise details, setting it apart from regular circulation coins.
- Rarity: It’s believed that only around 2,000 of these coins were produced, making them one of the rarest dimes ever minted in the United States.
Why Are These Dimes Found in Circulation?
Although the 1970-S No S Proof Roosevelt Dime was never meant to be released into circulation, some coins eventually made their way into the hands of everyday people. This can happen for a few reasons:
- Lack of Recognition: Many original owners or their families didn’t recognize the coin’s value and spent it as regular currency.
- Estate Sales and Liquidations: Rare coins can sometimes get mixed in with other items during estate sales or liquidations, which increases the likelihood of them being circulated.
So, the next time you check your change, you may just discover one of these rare dimes.
How to Identify the 1970-S No S Proof Roosevelt Dime
If you suspect you’ve come across one of these valuable error coins, here’s how to confirm its authenticity:
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- Examine the Mint Mark: Check the obverse side of the coin above the date. If the “S” mint mark is missing, you might have found a rare gem.
- Inspect the Finish: Proof coins have a smooth, mirror-like surface, which should be immediately noticeable.
- Verify the Date: Make sure the coin is from 1970, as this specific error only applies to coins from that year.
- Get It Authenticated: If you believe you’ve found a 1970-S No S Proof Roosevelt Dime, it’s a good idea to consult a professional coin grading service or numismatist for authentication.
Grading and Value of the Coin
The value of the 1970-S No S Proof Roosevelt Dime largely depends on its condition. Here’s an estimate of its value based on different grades:
| Grade | Description | Estimated Value (USD) |
|---|---|---|
| PR65 | Gem Proof | $500 – $700 |
| PR66 | Choice Gem Proof | $700 – $900 |
| PR67 | Superb Gem Proof | $900 – $1,100 |
| PR68 | Near Perfect Proof | $1,100 – $1,300 |
| PR69 | Virtually Flawless Proof | Over $1,300 |
Note: These values can fluctuate depending on the current market conditions.
Other Notable “No S” Proof Coins
The 1970-S No S Proof Roosevelt Dime is part of a small but notable group of error coins, with other “No S” proof dimes including:
- 1968 No S Proof Dime: Only about a dozen known to exist.
- 1975 No S Proof Dime: Another sought-after error coin.
- 1983 No S Proof Dime: A more recent example of the minting error.
Tips for Aspiring Collectors
Whether you’re just starting your coin collection or have been at it for years, here are a few tips to help you find rare coins like the 1970-S No S Proof Roosevelt Dime:
- Inspect Proof Sets: Always examine 1970 proof sets carefully, as one of the dimes might be missing the “S” mint mark.
- Look Through Loose Change: Periodically check your change for dimes that have a shiny, proof-like finish.
- Consult Professionals: If you think you’ve found this rare dime, have it authenticated by a trusted grading service, such as PCGS or NGC.
- Watch Auctions: Online auctions and platforms may feature these rare coins, offering a chance to buy verified examples for your collection.
Final Thoughts on the 1970-S No S Proof Roosevelt Dime
The 1970-S No S Proof Roosevelt Dime is more than just an error coin; it’s a fascinating piece of numismatic history. Its extreme rarity, combined with the potential to still find one in circulation, makes it a thrilling pursuit for collectors. If you’re lucky enough to discover one, you could be holding a coin worth over $1,300!
Have you ever found a rare coin in your change? Feel free to share your experience, and make sure to check out our other articles on hidden numismatic treasures. Happy collecting!