ROMAN REPUBLIC. C. Calpurnius Piso L.f. Frugi. AR Denarius, Rome Mint, ca. 67 B.C. NGC VF. Brushed, Bankers Mark. Cr-408/1A; Syd-851I. Obverse: Head of Apollo right, hair bound with fillet; lituus to left; Reverse: Man, holding palm frond, riding horse right; jug above.