L. Calpurnius Piso Frugi. 90 BC. AR Denarius (18mm, 4.00 g, 3h). Rome mint. Laureate head of Apollo right; D behind, C before / Horseman, holding palm frond and reins, on horse galloping right; S above. Crawford 340/1; Sydenham 665; Calpurnia 11. EF.