Watch List notes:

CELTIC, Central Europe. Helvetii. 2nd century BC. Stater (Electrum, 22 mm, 7.22 g, 1 h). Laureate head of Apollo to right, in a rather rude Celtic style. Rev. Deconstructed charioteer driving biga to left; below, two superimposed parallel lines with pellets at their ends; before to left, empty triangle. Allen, SNR 53, pl. 11, 67-68. Castelin -. Flesche -. HMZ 1.8. A very rare type. A lovely example, somewhat sharply struck and with both sides well-centered. Minor flan cracks and marks, otherwise, very fine.
From the Cologny Collection.