Watch List notes:

CELTIC, Central Europe - Switzerland. Sequani - Helvetii. Late 2nd - early 1st century BC. Quarter Stater (Electrum, 15 mm, 1.51 g, 2 h), "à la lyre" type. Celticized head of Apollo with curly hair to right. Rev. Deconstructed charioteer driving biga to right; below horse, standard surmounted by bird standing to left. Allen, SNR 53, -. Castelin -. De La Tour 8930 (as uncertain eastern) = Delestrée & Tache 3082 (same dies). HMZ I. 13 (this coin). Apparently only the third example known. Flan fault and scuff on the obverse, otherwise, very fine.

From a Swiss collection, ex Hess Divo 335, 6 December 2018, 82.