MIDDLE DANUBE. Uncertain tribe. 2nd century BC. Tetradrachm (Silver, 25 mm, 11.93 g, 4 h), 'Zickzackgruppe'. Stylized laureate and bearded head of Zeus to left. Rev. ▢ΛΛΛΛ Stylized horseman to left, rider devoled into hook; before, annulet-in-square; above, annulet. Dembski 1385. Flesche 568. Lanz 738. OTA 459/1. Fresh and sharp, an exceptionally attractive example of monumental Celtic style. Very light doubling on the reverse, otherwise, good extremely fine.