Antigonos II Gonatas, 319-231 BC, ruled 277-239 BC
AR tetradrachm 17.1710 g, 30.5 mm
Boston MFA 712; Dewing 1203
Obverse
Macedonian shield, at center a horned bust of Pan facing left with a pedum over his shoulder
Reverse
Athena Alkidemos walking left brandishing a thunderbolt in her left hand and holding a shield in her right.
ΑΝΤΙΓΟΝΟΥ ΒΑΣΙΛΕΩΣ