Anyone sorting through a jar of loose change could be sitting on a coin worth more than a used car. The 1943 copper penny, ...
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 ...