SELEUKID EMPIRE. Seleukos I Nikator. 312-281 BC. AR Tetradrachm (26.5mm, 16.95 g, 8h). Uncertain mint. Head of Herakles right, wearing lion skin / Zeus Aëtophoros seated left; two monograms in left field, monogram below throne. SC 296; HGC 9, 12. Lightly toned, slightly off center. VF. Very rare "unattributed" issue in SC.