L. Calpurnius Piso Frugi. Denarius; L. Calpurnius Piso Frugi; 90 BC, Denarius, 4.02g. Cr-340/1, Syd-665f. Obv: Laureate head of Apollo r., XXI behind head, tongs under chin. Rx: Horseman r., palm over shoulder; dot C and L PISO FRVGI below. Scarce control mark configuration. Ex Berk 173, 15 March 2011, lot 203.. EF