Watch List notes:

THRACE, Mesambria. Circa 150-125 BC. AR Tetradrachm (31.5mm, 16.60 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 IΔИ; monogram below throne. Karayotov I 238 (O69/R232); Price 1036 corr. (IΔИ not IΔH); HGC 3, 1568. VF, double struck on obverse.

From the Colin E. Pitchfork Collection, purchased from Classical Numismatic Group, 10 November 2001.