You don’t usually see errors with proof coins, but there are exceptions. One involved 1975 dime proof sets, which that lacked an “S” mintmark (from the San Francisco Mint).

COLLECTIBLES The penny coins worth up to $840,000: how to identify them. Dollar cents worth hundreds of thousands of dollars due to the demand from collectors have people across the US taking a ...

There are certain coins and bills that circulate daily around the United States that can sell for thousands of dollars to collectors. This is the case for specific 25-cent coins, which could be ...

Subscribe to WXII's free YouTube channel here. Examples of errors in coins include off-center strikes, multiple strikes, overstrikes, clipped planchets, and defective dies.