L. Calpurnius Piso Frugi, Rome, 90 BC. AR Denarius (17.5mm, 3.86g, 12h). Laureate head of Apollo r.; trident behind, F before. R/ Horseman galloping r., holding palm frond and reins; above, trident r., letter below. Crawford 340/1; RSC Calpurnia 11. Roughness, near VF