L. Calpurnius Piso Frugi. 90 B.C. AR denarius (19 mm, 3.82 g, 12 h). Rome. Laureate head of Apollo right; behind, L; below chin, L· / L · PISO FRVGI, nude horseman galloping right, holding long palm; in exergue, TXIII·. Crawford 340/1; Sydenham 664; Calpurnia 11. NGC Ch AU, strike: 5/5, surface: 4/5.