Watch List notes:

THRACE, Mesambria. Circa 175-150 BC. AR Tetradrachm (34.5mm, 16.57 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, ΠPO above helmet; HPA below throne. Karayotov I 120–9 var. (O44/R– [unlisted rev. die]); Callataÿ Group 2, dies D18/R– (c. 155-110 BC); Price 1085; HGC 3.2, 1569. Good VF, toned.

From the B. H. Webb Collection. Ex Classical Numismatic Group 42 (29 May 1997), lot 248.