Watch List notes:

SELEUKID EMPIRE. Seleukos I Nikator. As satrap, 321-315 BC. AR Tetradrachm (26.5mm, 17.09 g, 5h). In the name of Philip III of Macedon. Uncertain mint 6A (in Babylonia). Struck circa 320-315 BC. Head of Herakles right, wearing lion skin / Zeus Aëtophoros seated left; monogram in left field. SC Ad39.5; Taylor Series I (unlisted obv. die); Price P225; HGC 9, 11a. Minor die wear. Good VF.