The most valuable Roosevelt dime of all is the 1975 No-S proof, and that's because of a very rare minting mistake. In fact, it's one of the rarest US coins that exists, and there are only two known ...

Dimes make dollars, they say — but some dimes are worth more than a few dollars. As Gainesville Coins detailed, there are U.S. dimes that have sold for more than seven figures in the past. Find Out: ...