Collectors have long known that small minting mistakes can turn pocket change into serious money, and the 1983 Washington ...

A reverse proof die meant for special coins was mistakenly used on regular circulation pennies. You can spot it by looking at the spacing between the letters “A” and “M” in “AMERICA” on the reverse ...

The US minted its last penny on November 12, ending a 232-year tradition. The Treasury said it was ending penny production due to high costs and limited practical use. Rare penny editions, like the ...