Watch List notes:

THRACE, Byzantion. Circa 240-220 BC. AR 9 Obols (21mm, 5.51 g, 1h). Antipatros, magsitrate. Wreathed and veiled head of Demeter right / Poseidon seated right on rocks, holding trident and aphlaston; ΠY to left, monogram to right, EΠI ANTIΠATPOY in exergue. Marinescu Issue 10; Schönert-Geiss, Byzantion 1026–36; SNG Copenhagen 487. Toned, minor double strike, a couple light marks. Good VF.