Watch List notes:

SELEUKID EMPIRE. Seleukos I Nikator. 312-281 BC. AR Tetradrachm (27.5mm, 17.15 g, 8h). In the types of Alexander III of Macedon. Seleukeia on the Tigris I mint. Struck circa 300-281 BC. Head of Herakles right, wearing lion skin / Zeus Aëtophoros seated left; monogram in wreath in left field, K below throne. SC 117.2b; HGC 9, 12i. Good VF, lightly toned, overstruck on uncertain type.