An exceptionally rare 1975 dime, notable for its absence of the customary "S" mint mark, has been sold at auction for $506,250. This coin is one of only two known examples of its kind.

Discovery and Provenance

The dime was originally purchased in 1978 for $18,200 by a dairy farming family in Ohio. Recognizing its rarity, the family safeguarded the coin in a bank vault for over four decades. Following the recent passing of a family member, the coin was inherited by three sisters, who subsequently decided to auction it.

Auction Details

The online auction concluded with the dime fetching $506,250. This sale underscores the significant appreciation in value of such rare numismatic items over time.

Background on the 1975 "No S" Dime

In 1975, the San Francisco Mint produced over 2.8 million proof sets, each containing six coins, sold to collectors for $7 per set. Proof coins from the San Francisco Mint typically bear an "S" mint mark. However, two dimes from these sets were discovered to lack this distinguishing feature, making them exceptionally rare.

Market Implications

The sale of this dime highlights the robust market for rare coins and the potential for significant returns on numismatic investments. Collectors and investors continue to show strong interest in unique minting errors and rare specimens.

Conclusion

The auction of the 1975 "No S" dime for over half a million dollars reflects the enduring fascination with rare coins and the substantial value they can attain in the collectors' market.