Rare coin hidden for decades by family could fetch over $500,000

A rare 1975 dime inherited by three American sisters could fetch over $500,000 at auction. The coin is one of only two known dimes without a mint mark from the US Mint in San Francisco. Purchased in 1978 for $18,200, it was kept as a financial safety net for decades.

Rare coin hidden for decades by family could fetch over $500,000
A rare 1975 dime inherited by three American sisters could fetch over $500,000 at auction. The coin is one of only two known dimes without a mint mark from the US Mint in San Francisco. Purchased in 1978 for $18,200, it was kept as a financial safety net for decades.