What is the worlds oldest coin?
World’s Oldest and Largest Piece of Currency Housed in Greek Museum Despinda Evgenidou, a fiscal archeologist and director of the Numismatic Museum in Athens says that a 3 foot long, 52-pound (24-kilogram) bronze “talent” that resembles a steamrolled sheep is the world’s oldest known form of legal tender currency. It is also the largest. The heavy cash used in the 14th century B.C. was known as an ovelos.