Watch List notes:

SELEUKID EMPIRE. Seleukos I Nikator. 312-281 BC. AR Tetradrachm (25.5mm, 16.82 g, 6h). In the name of Alexander III of Macedon. Ekbatana mint. Struck circa 311-295/81 BC. Head of Herakles right, wearing lion skin / Zeus Aëtophoros seated left; in left field, monogram above anchor; ΣΩ below throne. SC 202.12; Price 3938; HGC 9, 9e. Good VF, toned, a few light marks, some porosity, off center on reverse. High relief.

From the collection of Dr. Will Gordon, Ex Classical Numismatic Group 61 (25 September 2002), lot 479.