Watch List notes:

THRACE, Mesambria. Circa 100-72/1 BC. AR Tetradrachm (34.5mm, 16.18 g, 12h). In the name and types of Alexander III of Macedonia. Dio–, magistrate. Head of Herakles right, wearing lion skin / Zeus Aëtophoros seated left; ∆IO in inner left field, MEΣAM in exergue. Karayotov I 313–7 var. (O96/R– [unlisted rev. die]); Callataÿ Group 4, dies D5/R– (unlisted rev. die); Price 1128; HGC 3, 1570. Lightly toned, trace deposits, minor double strike, struck with worn obverse die. VF.

Ex Numismatik Naumann 51 (5 March 2017), lot 75.