Tetradrachm of Alexander the Great, mounted as a cufflink, Babylon?
r. 336-323 BCE
Alexander III, the Great
Greek
Obverse: Head of young Heracles, facing r., wearing lionskin headdress
Reverse: BASILEWS ALEXANDROU; Zeus seated on throne l. holding eagle and scepter; below throne, H; to l., ? (obscured by setting)
Silver
Hellenistic period, Early