SELEUKID EMPIRE Seleukos I Nikator. 312-281 BC. AR Tetradrachm, Ekbatana mint. Struck circa 295-281 BC. Head of Herakles right, wearing lion skin / Zeus Aëtophoros seated left; in left field, monogram above of horse. 17.08 gm, 26 mm. VERY FINE & RARE