Watch List notes:

L. Calpurnius Piso Frugi, 90 BC. Denarius (Silver, 18 mm, 3.59 g, 7 h), Rome. Laureate head of Apollo to right; behind and before, control mark. Rev. L PISO FRVGI / B Horseman galloping right, holding branch in his left hand; above, A. Babelon (Calpurnia) 11. Crawford 340/1. RBW 1246ff. Sydenham 670. Minor deposits and the reverse struck slightly off center, otherwise, about extremely fine.