Watch List notes:

CELTS IN SOUTHERN GAUL. Rhone Valley. The Allobroges. Ialikovesi. Circa second century BC. Silver drachm (2.53 gm). Laureate head right, beaded neck truncation / Italiote legend IALIKOVESI, horse head right. DT 3045. CCCBM 162. Deroc 12-24. Van der Wielan, Allobroges, Plate II, 2 = BN 2537. Rare. Extremely fine

The horse head was likely inspired by that depicted on the Siculo-Punic coinage of the previous century.