Coin grading is the process by which a certified numismatist determines the grade, or physical condition, of an existing coin. Once the grade is determined, the value of the coin can then be ...

These three rare pennies from over 20 years ago are now worth a fortune—find out which coins skyrocketed in value and why ...

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

There are a lot of coins worth money — some rare coins that have sold for hundreds of thousands or even millions of dollars.… ...

GRAND RAPIDS, MI - A Grand Rapids-based inventor has developed a first-of-its-kind device designed to transform how collectors grade and value their coins. The OCS200, created by Richard Colonna of ...