Watch List notes:

SELEUKID EMPIRE. Seleukos I Nikator. 312-281 BC. AR Tetradrachm (26mm, 17.05 g, 7h). In the name and types of Alexander III of Macedon. Babylon I mint. Struck circa 300-294/3 BC. Head of Herakles right, wearing lion skin / Zeus Aëtophoros seated left; in left field, crested Attic helmet left above monogram; monogram below throne. SC 87.4b; Price 3781; HGC 9, 10f. VF.

From collection of Will Gordon.