THRACE, Mesambria. Circa 225-175 BC. AR Tetradrachm (30mm, 16.35 g, 12h). In the name and types of Alexander III. Head of Herakles right, wearing lion skin / Zeus Aëtophoros seated left; in left field, Corinthian helmet right above KAΣ. Karayotov I 41 (O17/R41); Topalov, Messambria 13; Price 998. Good VF, toned, porous.