L. Calpurnius Piso Frugi, Rome, 90 BC. AR Denarius (18mm, 3.78g, 3h). Laureate head of Apollo r.; K behind and before. R/ Horseman galloping r., holding palm frond and reins; control below. Crawford 340/1; cf. RBW 1257; RSC Calpurnia 11. Toned, graffiti, VF - Good VF