Watch List notes:

SELEUKID EMPIRE. Seleukos I Nikator. As satrap, 321-315 BC. AR Tetradrachm (27mm, 17.24 g, 3h). In the types of Alexander III of Macedon, name of Philip III. Uncertain mint 6A. Head of Herakles right, wearing lion skin / Zeus Aëtophoros seated left; monogram in left field and below throne. SC Ad39.3; Price P162 (Marathos); HGC 9, 11a. Toned, a few surface marks. In NGC encapsulation 5872733-035, graded Ch VF, Strike: 4/5, Surface: 3/5, lt. scratches.

From the Robert W. Bartlett Bequest Sold for the Benefit of the American Numismatic Society.