One involved 1975 dime proof sets, which that lacked an “S” mintmark (from the San Francisco Mint). So far, only two such specimens have been identified, according to Gainesville Coins.

As Gainesville Coins detailed ... Philadelphia and San Francisco (the West Point mint ceased making coins in 2021). When rifling through change or found coins, always make sure to put aside ...

Some dimes are worth hundreds or thousands of dollars, and a small handful could be worth more than $1 million. Here's what you should look for.

According to Gainesville Coins, the story goes that the San Francisco Mint had an accounting shortfall of $2.40 in 1894. So, the mint superintendent reportedly had a tiny sum of 24 proof dimes ...