Tetradrachm of Antigonus III Doson of Macedonia
r. 229-221 BCE
Antigonos III Doson
Greek
Obverse: Head of Poseidon r., hair bound with seaweed.
Reverse: Legend on prow l., upon which is seated Apollo l., holding bow; below, symbol (III and Y superimposed, with small arc above).
Silver
Hellenistic period, Middle