The 1970-S No S Proof Roosevelt Dime stands as one of the most fascinating and valuable errors in the world of coin collecting. Created due to a minting oversight, this dime was released without the usual “S” mint mark, which would typically indicate its production at the San Francisco Mint. What makes this coin even more remarkable is that a few of these rare pieces have ended up in everyday circulation, offering collectors an unexpected opportunity to find a treasure worth up to $1,300.
This article delves into the story of the 1970-S No S Proof Roosevelt Dime, outlining its key features, the reason behind its rarity, and how collectors can identify it. If you’re looking to understand why it commands such high value and why it continues to captivate numismatists, read on.
Key Details of the 1970-S No S Proof Roosevelt Dime
| Feature | Details |
|---|---|
| Year | 1970 |
| Mint Location | San Francisco |
| Mint Mark | None (missing “S”) |
| Composition | 75% copper, 25% nickel over a pure copper core |
| Diameter | 17.9 millimeters |
| Edge | Reeded |
| Finish | Proof, with a reflective, mirror-like surface and sharp details |
| Estimated Quantity | Approximately 2,000 coins |
| Value Range | $500 to $1,300, depending on the coin’s condition |
The Backstory of the Minting Error
The Roosevelt Dime, first introduced in 1946, honors Franklin D. Roosevelt, particularly his contributions to public health and the March of Dimes. Proof versions of this dime, known for their polished, mirror-like finish and intricate detailing, are intended for collectors and are typically stamped with a mint mark to indicate their origin.
For the 1970 edition, the San Francisco Mint’s dimes were supposed to carry an “S” mint mark, but a small batch of these proof coins were accidentally struck without it. This mistake led to a highly sought-after coin, now regarded as one of the rarest Roosevelt Dimes in history.
Identifying the 1970-S No S Proof Roosevelt Dime
To verify whether a dime in your collection is the rare 1970-S No S Proof, here are some things to check:
- Missing Mint Mark: The standout feature of this coin is the absence of the “S” mint mark, which is located above the date on the obverse side of most proof dimes from that year.
- Proof Finish: The coin should have a gleaming, reflective surface, which distinguishes it from standard circulation coins.
- Rarity: Only around 2,000 of these dimes are believed to have been minted, making them extremely rare.
Why Are These Dimes Found in Circulation?
Although these coins were never meant to circulate, some of the 1970-S No S Proof Roosevelt Dimes made their way into everyday transactions. This is often due to:
- Unawareness: Some owners of these proof sets may not have realized the coin’s rarity and could have spent it as just another dime.
- Estate Sales: Coins are often mixed in with other items during estate sales or liquidations, causing rare coins to unintentionally enter circulation.
If you’re checking your change, there’s a chance you could have one of these rare finds in your possession.
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How to Confirm a 1970-S No S Proof Roosevelt Dime
Here’s how to authenticate your coin if you suspect it’s the rare 1970-S No S Proof:
- Examine the Mint Mark: Look for the missing “S” mint mark above the date on the obverse side.
- Inspect the Finish: Confirm that the coin has a polished, mirror-like surface and finely detailed design—this is typical of proof coins.
- Verify the Date: Ensure the coin is dated 1970, as only dimes from this year are involved in this specific minting error.
- Seek Professional Help: If you’re unsure, it’s worth consulting a professional numismatist or a coin grading service for authentication.
The Value and Grading of the Coin
The value of the 1970-S No S Proof Roosevelt Dime largely depends on its condition. Here’s a breakdown of approximate values 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 | Over $1,300 |
Other Notable “No S” Proof Coins
The 1970-S No S Proof Roosevelt Dime is part of a rare group of error coins. Other notable “No S” proof coins include:
- 1968 No S Proof Dime: Extremely rare, with only a few known to exist.
- 1975 No S Proof Dime: Another highly valuable coin for collectors.
- 1983 No S Proof Dime: A more modern example of the “No S” error.
Tips for Aspiring Coin Collectors
Whether you’re new to coin collecting or a seasoned expert, here are some tips for finding valuable coins:
- Examine Proof Sets: Check the 1970 proof sets for missing mint marks, as this could indicate a valuable coin.
- Inspect Your Change: Keep an eye out for dimes with a reflective appearance—these could be proof coins.
- Consult Experts: If you find a potential 1970-S No S Proof Roosevelt Dime, have it authenticated by professional grading services such as PCGS or NGC.
- Monitor Auctions: Online auctions can be a great place to purchase or sell rare coins.
Conclusion
The 1970-S No S Proof Roosevelt Dime is not just an error coin; it’s a rare treasure that continues to excite collectors. Its distinctive features and scarcity make it one of the most valuable dimes in U.S. history. If you happen to find one in your change, you could be holding a coin worth up to $1,300. Happy hunting!