Ever found a mysterious coin and wished you could instantly know what it is? You’re about to discover something amazing: your ...

This guide breaks down the best free coin identifier apps for U.S. and international coins, accuracy, error detection, and who each app is really for.

Dollar coins that once slipped unnoticed through cash registers are now quietly trading for far more than face value. Recent coverage of "Dollar Coins That Are Worth Way More Than Face Value" has ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Robert Kelly is managing director of XTS ...