Watch List notes:

Celts in Eastern Europe AR Tetradrachm. Unfaithful legend type. Imitating Philip II of Macedon. Circa 3rd century BC. Laureate head of Zeus to right / Rider on horseback to right, holding palm branch; Λ Λ Λ around, square below horse, uncertain symbol between front legs. Cf. Göbl, OTA pl. 4, type 18 (cf. Zigzag group, OTA pl. 37, type 453, rider left); Lanz 366 (this coin). 12.81g, 24mm, 9h.

Very Fine; test cuts to rev.

From the Hermann Lanz Collection; this coin published in M. Kostial, Kelten im Osten - Gold und Silber der Kelten in Mittel- und Osteuropa - Sammlung Lanz (Staatlichen Münzsammlung München, 1997).