Watch List notes:

THRACE, Mesambria. Circa 100-72/1 BC. AR Tetradrachm (32.5mm, 15.81 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, monogram above crested Corinthian helmet right; monogram below throne. Karayotov I 300 var. (O90/R– [unlisted rev. die]); Callataÿ Group 3, dies D4/R– (unlisted rev. die); Price 1106 corr. (monogram above helmet); HGC 3, 1569. Lightly toned, surfaces a bit rough, double struck on reverse. Good VF.

From the Jim Gilman Collection, purchased from Joel Malter, 5 February 2000.