Watch List notes:

CELTIC, Lower Danube. Uncertain tribe. Early 3rd century BC. Tetradrachm (Silver, 25 mm, 13.93 g, 9 h), early imitation of Philip II, copying an issue of Amphipolis. Laureate head of Zeus to right. Rev. ΦΙΛΙΠΠ-ΟV Nude jockey riding horse prancing to right; below horse, Λ above torch; below horse's raised foreleg dolphin swimming to right. cf. Dembski 960. Lanz 355. OTA 10. G&M online auction 251 (this obverse die). Well struck on a broad flan, lightly toned example. Very fine.