THRACE, Mesambria. Circa 150-125 BC. AR Tetradrachm (33mm, 16.68 g, 12h). In the name and types of Alexander III of Macedon. Head of Herakles right, wearing lion skin / Zeus Aëtophoros seated left; in left field, crested Corinthian helmet right above MA; monogram below throne. Karayotov I 143 (O49/R138); Callataÿ Group 2, dies D2/R5; Price 1082; HGC 3, 1568. Lightly toned, thin edge split, a few light marks and scratches. EF.