Watch List notes:

Celtic World. Celtic, Eastern Europe. AR Tetradrachm, imitating Audoleon of Paeonia, c. 2nd century BC. Obv. Laureate head of Zeus right. Rev. Horseman riding right, wearing plumed helmet; pellet below horse's raised foreleg. Lanz 704; CCCBM I 114-7; KMW 1324. AR. 13.04 g. 23.50 mm. Banker's mark on reverse (typical for issue). Lightly toned, iridescent hues. EF/About EF.