Watch List notes:

THRACE, Mesambria. Circa 150-125 BC. AR Tetradrachm (31mm, 16.60 g, 12h). In the name and types of Alexander III of Macedonia. Head of Herakles right, wearing lion skin / Zeus Aëtophoros seated left; in inner left field, helmet above ΔA; XP monogram below throne. Karayotov I 240 (O70/R235); Topalov, Messambria 18; Price 1057. Near EF, lightly toned, a little die wear, slight die shift. Well centered.