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A rare 1975 dime, inherited by three sisters from Ohio and kept for more than four decades, could fetch over $500,000 at auction after it was revealed to be one of only two known dimes without a mint mark. The coin, struck by the US Mint in San Francisco, is missing the “S” mark, making it a highly valuable collector’s item.
The US Mint in San Francisco produced over 2.8 million proof sets in 1975, featuring six coins sold for $7 each.However, two of the dimes in circulation were found to be missing the mint mark, making them extremely rare and highly sought by collectors.
The sisters discovered the dime after the recent death of their brother, who had purchased the coin with their mother in 1978 for $18,200 — a sum worth around $90,000, per the New York Post. According to Ian Russell, president of Great Collections, the family considered the coin a financial safety net and kept it for decades.
“They were hidden for decades,” said Russell, whose company is managing the coin’s online auction. “Most major collectors and dealers have never seen one.”
The whereabouts of the two dimes have been a mystery for years. The other dime was sold at auction in 2019 for $456,000 before being purchased again by a private collector later that year.
The Ohio sisters’ coin is now on display at a coin show in Tampa, Florida, before the auction closes in October. Coin experts believe this sale could surpass previous records due to the rarity and high demand for such a piece.
The US Mint in San Francisco produced over 2.8 million proof sets in 1975, featuring six coins sold for $7 each.However, two of the dimes in circulation were found to be missing the mint mark, making them extremely rare and highly sought by collectors.
The sisters discovered the dime after the recent death of their brother, who had purchased the coin with their mother in 1978 for $18,200 — a sum worth around $90,000, per the New York Post. According to Ian Russell, president of Great Collections, the family considered the coin a financial safety net and kept it for decades.
“They were hidden for decades,” said Russell, whose company is managing the coin’s online auction. “Most major collectors and dealers have never seen one.”
The whereabouts of the two dimes have been a mystery for years. The other dime was sold at auction in 2019 for $456,000 before being purchased again by a private collector later that year.
The Ohio sisters’ coin is now on display at a coin show in Tampa, Florida, before the auction closes in October. Coin experts believe this sale could surpass previous records due to the rarity and high demand for such a piece.
