Watch List notes:

SELEUKID EMPIRE. Seleukos I Nikator. First satrapy, 321-315 BC. AR Tetradrachm (27mm, 17.18 g, 10h). In the name of Philip III of Macedon, types of Alexander III. Uncertain mint 6A in Babylonia. Head of Herakles right, wearing lion skin / Zeus Aëtophoros seated left; monogram in left field. SC Ad39.5; Taylor Series I, 51–2 (A19/P1); Price P225; HGC 9, 11a. Lightly toned, trace deposits. VF.

From the Don T. Hayes Collection.