MANTIS, the American Numismatic Society database, contains information on more than 600,000 objects in the Society’s collections. These include coins, paper money, tokens, ‘primitive’ money, medals and decorations, from all parts of the world, and dating from 650 BCE to the present.

The Byzantine collection comprises some 13,000 coins struck at Byzantium and at the regional mints of the Byzantine Empire from the reign of Anastasius I (AD 419-518).