Watch List notes:

L. Calpurnius Piso L.f. L.n. Frugi, Denarius, Rome, 90 BC; AR (g 3,75; mm 19; h 10); Laureate head of Apollo r.; behind, control symbol, Rv. Horseman galloping r., holding palm branch; below, L PISO FRVGI / control numeral. Crawford 340/1; Calpurnia 11; Sydenham 663.
Lustrous, good extremely fine.