The combination of "copper" and "penny" might not seem like the best formula for valuable coins considering that you can find higher denominations in gold and silver. But finding the right copper ...

Could you have a penny worth way more than one cent? Or a quarter worth a small fortune? A 1943 bronze Lincoln cent, a 1944 ...

A recent study by Dr. Ignacio Montero-Ruiz and his colleagues examined the provenance of ancient copper artifacts discovered on the Island of Ibo off Mozambique's coast. The study, published in Azania ...

Diane Leonard unveiled a coin honoring over 14,000 slain officers, including her husband, Donald Leonard.