Minting coins isn't exactly an exact science. Even though most coins are perfect and uniform, small mistakes can result in error coins that are super valuable and ...
The 1990 penny error coins represent some of the most exciting finds for modern coin collectors. This year marked a significant transition in U.S. Mint production ...
While common, 1941 Lincoln Pennies can be highly valuable due to mint errors like the Double Die Obverse (DDO), Repunched Mint Mark (RPM), Off-Center Strike, and Die Cuds, with top errors reaching ...