Watch List notes:

Calpurnius Piso L.f. Frugi, Denario, Roma, 67 a.C.; Ag 3,91 g; Head of Apollo r., hair tied with band; behind, control symbol, Rv. Horseman r., with palm; above, control symbol; below, C PISO L F FRV.
VF
Crawford 408/1b; Calpurnia 24; Sydenham 851i
MBC