Seleukid Kings. Seleukos I Nikator (312-281 BC). AR Tetradrachm (23mm, 17.03g). In the name and types of Alexander III of Macedon. Ekbatana mint. Struck c. 311-305 BC. Head of young Herakles r., wearing lion skin headdress / Zeus seated l. on throne, holding eagle and scepter; to l., monogram above horse forepart grazing l.; beneath throne, monogram; between throne and scepter, pellet. SC 202.5b; Price 3910; HGC 9, 9e.