Watch List notes:

THRACE, Mesambria. Circa 175-150 BC. AR Tetradrachm (33.5mm, 16.55 g, 12h). In the name and types of Alexander III of Macedonia. Head of Herakles right, wearing lion skin / Zeus Aëtophoros seated left; in left field, ΠPO above helmet; (HP)A below throne. Karayotov I 122 (O44/R117); Callataÿ Group 2, dies D18/R3 (c. 155-110 BC); Price 1085; HGC 3, 1569. VF, toned, a couple marks in field. Well centered.

From the Colin E. Pitchfork Collection, purchased from Spink, December 1994.