You never know what the coins in your pocket can be worth. Here are some of the most valuable dimes ever minuted in the U.S.

Imagine grabbing coffee and getting a dime as change. You pocket it without thinking, maybe check your phone, and move on ...

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 ...