Kings of Macedon, Antigonos I Monophthalmos (320-301 BC). AR Tetradrachm (27mm, 16.68g, 11h). Babylon, c. 315-311 BC. Head of Herakles r., wearing lion skin. R/ Zeus Aëtophoros seated l.; monogram in wreath in l. field, monogram in circle below throne. Price 3734. Metal flaw on rev., Good Fine