Watch List notes:

C. Piso L.F. Frugi. 61 B.C. AR denarius (18 mm, 3.85 g, 6 h). Rome. Laureate head of Apollo right; sequence mark behind / C PISO L F FRV below, horseman galloping right, holding whip; symbol above. Crawford 408/1a; Sydenham 850; Calpurnia 24h. Good very fine.