Watch List notes:

C. Piso L.f. Frugi, 61 BC. Denarius (Silver, 19mm, 3.84 g 6), Rome. Laureate head of Apollo to right; behind, snake. Rev. L PISO FRVG Horseman galloping right, holding palm-branch and reins; below, pedum. Babelon (Calpurnia) 24. Crawford 408/1b. Sydenham 851h. Slightly double struck on the obverse, otherwise, extremely fine.