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 ...

Coin grading isn’t just for experts—it’s the backbone of understanding a coin’s true value. From the Sheldon Scale to PCGS and NGC’s market influence, knowing the grading process can mean the ...

So you’ve decided to enter into the fun, challenging world of coin collecting when suddenly words begin getting tossed at you from all angles. Words like, “Numismatist,” “Red Book,” “slabbed,” etc.

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 ...