You never know when you might come across a valuable error coin, so it helps to know what to look for. Here's a look at five of the most valuable error coins.
The 1943 penny errors represent some of the most fascinating and valuable mistakes in American numismatics. During World War II, the U.S. Mint switched from copper to ...
SD Bullion, the gold and silver deals, has published a list of the most valuable error coins in the USA. One of the most expensive coins they listed once sold for ...