Watch List notes:

L. Calpurnius Piso Frugi. 90 B.C. AR denarius (17 mm, 4.04 g, 7 h). Rome. Laureate head of Apollo right; below chin, P / L PISO FRVGI, horseman galloping right, holding palm branch; above, I·. Crawford 340/1; Sydenham 664j; Calpurnia 11. Toned. Extremely fine.