SELEUKID EMPIRE. Seleukos I Nikator. Second satrapy and kingship, 312-281 BC. AR Tetradrachm (24,8 mm, 16,9 g, ). In the types of Alexander III of Macedon. Ekbatana mint. Head of Herakles right, wearing lion skin / Zeus Aëtophoros seated left; in left field, anchor above AT monogram; AΠ monogram below throne. SC 204.8a; HGC 9, 12k.