Watch List notes:

Seleukid Kingdom. Seleukos I Nikator. As satrap, 321-315 B.C. AR tetradrachm (26 mm, 17.17 g, 2 h). Uncertain Mint 6A (in Babylonia), in the name of Philip III of Macedonia, ca. 320-315 B.C. Head of Herakles right, wearing lion's skin headdress / ΒΑΣΙΛΕΩΣ ΦIΛ[IΠΠOY], Zeus seated left, holding eagle and scepter; in left field, monogram; below throne, monogram. SC Ad39.3; Price P162 (Marathos); HGC 9, 11a. Lightly toned. Very fine.