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 ...
Collectors' questions span everything from selling and grading coins to famous U.S. coin designs and Mint policy.
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 ...