Watch List notes:

L. Calpurnius Piso Frugi, 90 BC. Denarius (Silver, 19mm, 3.88 g 9), Rome. Laureate head of Apollo to right; behind, five pellets. Rev. L PISO FRVGI Horseman galloping right, holding palm-branch and reins; above, L. Babelon (Calpurnia) 11. Crawford 340/1. Sydenham 664e. Reverse lightly struck. Extremely fine.