Kings of Macedon. Alexander III (336-323 BC). AR Tetradrachm (25mm, 17.14 g), Babylon, c. 316/314. Obv. Head of Herakles to right, wearing lion skin headdress. Rev. BAΣIΛEΩΣ AΛEΞANΔPOY, Zeus Aëtophoros seated left; monogram in wreath in left field, MI below throne.