Didrachm with the head of the nymph Segesta
Silver, Segesta, Sicily, c. 450 BC
J.P. Getty Museum, Los Angeles

A Didrachm is an ancient Greek silver coin that was in circulation from around the 6th century BC until the 3rd century BC. It was typically equivalent to two drachmas in value and featured various designs and symbols representing the issuing city-state or ruler. The coin was widely used in trade and commerce throughout the ancient Greek world, showcasing the economic and cultural significance of Greek civilisation during that period.