Watch List notes:

L. Calpurnius Piso Frugi, 90 BC. Denarius (Silver, 19 mm, 3.59 g, 2 h), Rome. Laureate head of Apollo to right; behind, A. Rev. L PISO FRVGI / R Horseman galloping right, holding palm frond over his left shoulder. Babelon (Calpurnia) 11. Crawford 340/1. RBW 1251ff var. (differing control marks). Sydenham 656. Very fine.