The combination of "copper" and "penny" might not seem like the best formula for valuable coins considering that you can find ...

Coins can become valuable for several reasons, ranging from their historical value to their metal content. In nearly all ...

A two pence coin that was erroneously struck in silver instead of the normal nickel is worth a pretty penny, with this particular denomination catching the eye of coin collectors ...

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 ...