Herakles - Calpurnius Piso Frugi. RARE. R6! Roman Republic. L. Calpurnius Piso L. f. Frugi. 90-89 B.C. AR Denarius. 3.673 grams. Obverse: Laureate head of Apollo r.; behind, rose; before, mark of value. Reverse: Horseman with palm-branch; below, L. PISO. FRVG. ROMA. RRC 655b. Crawford 340/1. Good Very Fine of beautiful metal! RARE. R6. Herakles Numismatics, Inc.