Add Yahoo as a preferred source to see more of our stories on Google. Peter Gudella via Shutterstock Minting coins isn't exactly an exact science. Even though most ...

The 1959-D Repunched Mint Mark (RPM) represents the most common error variety. This occurred when workers manually punched the "D" mint mark multiple times in ...

This article is brought to you by our exclusive subscriber partnership with our sister title USA Today, and has been written by our American colleagues. It does not necessarily reflect the view of The ...

The penny of 1988 is dull to look at initially. A mere old copper counterfeit coin. Some of these, however, contain errors which make them something much more ...