When the U.S. Mint launched its 50 State Quarters Program in 1999, the point of the 10-year initiative was to honor each of the 50 states and share a little bit of history via free classroom lesson ...

Errors increase the value of collectibles because a limited number go into circulation before it is spotted and corrected.

The United States is marking 250 years with a fresh set of circulating coins, but the designs are already sparking debate over what, and who, is missing. Instead of spotlighting some of the country's ...