SELEUKID EMPIRE. Seleukos I Nikator. 312-281 BC. AR Tetradrachm (25.5mm, 16.54 g, 12h). In the name and types of Alexander III of Macedon. Babylon I mint. Struck circa 311-300 BC. Head of Herakles right, wearing lion skin / Zeus Aëtophoros seated left; H in left field, monogram within wreath below throne. SC 82.7; Price 3708; HGC 9, 10f. Find patina, flan flaw and slightly off center on obverse. VF.