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 ...

The U.S. Treasury Department halted production of the penny on Nov. 12, ending more than 230 years of minting the nation’s smallest denomination and signalling the copper-colored coin’s gradual exit ...

For a Lincoln cent, however, the 1943 copper penny is extremely valuable, with circulated examples selling at auction in the past two years bringing between $240,000 and $336,000. Its auction prices ...