1) NHL Hall of Famer Denis 2) Precious metal alloy 
Potin is a numismatic term, used to denote a base-silver like alloy. It can also be known as Billon. It is debated whether any actual silver is indeed present in Potin. While the term billon is more commonly applied to ancient Roman coinage, potin is usually used for Greek coinage. ==Composition== Potin is traditionally an alloy of bronze, tin and...
An alloy of copper, tin, lead, and zinc, used by the ancient Celts and Gauls to make coins.
An ancient alloy of copper, zinc, lead and tin that was used to make coins.