Watch List notes:

C. Calpurnius Piso L.f. Frugi, Denarius, Rome, 67 BC; AR (g 3,57; mm 17; h 5); Head of Apollo r., hair tied with band; behind, control symbol, Rv. Horseman r., with palm; below, C PISO L F FRV / control symbol. Crawford 408/1b; Calpurnia 24; Sydenham 851h.
Cabinet tone, about extremely fine.