Watch List notes:

THRACE, Mesambria. Circa 175-150 BC. AR Tetradrachm (31.5mm, 16.72 g, 12h). In the name and types of Alexander III of Macedonia. Head of Herakles right, wearing lion skin / Zeus Aëtophoros seated left; in outer left field, helmet above MA; monogram below throne. Karayotov I 143 (O49/R138); Callataÿ Group 2, dies D2/R5; Price 1082; HGC 3, 1568. Good VF, toned, a few marks, small surface crack on reverse.

From the Colin E. Pitchfork Collection, purchased from Jonathern Kern, New York, December 1997.