Watch List notes:

THRACE, Mesambria. Circa 150-125 BC. AR Tetradrachm (31.5mm, 16.39 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, IΔИ above crested Corinthian helmet right; monogram below throne. Karayotov I 238 (O69/R232); Price 1036; HGC 3, 1568 corr. (type listed under 1567). VF, toned, minor die shift.

From the Belgica Collection.