Watch List notes:

THRACE, Byzantion. Circa 240-220 BC. AR 9 Obols (19mm, 5.01 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, [E]ΠI ANTIΠAT[POY] in exergue. Marinescu Issue 10; Schönert-Geiss, Byzantion 1031 (V2/R6); SNG Copenhagen 487. Toned, slight roughness, graffito (X) on reverse. VF.

From the Weise Collection. Ex Classical Numismatic Group 72 (14 June 2006), lot 206.