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 ...

Coin collecting may have been a niche hobby in times past, but an increased interest in numismatics -- whether due to ...

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 ...