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 ...
You don’t need to be a coin collector to have piggy banks stashed around your house filled with quarters, dimes, nickels or pennies. However, you may not be aware of the potential fortune you have ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results