Cn. Calpurnius Piso. AR Denarius, Roma mint, 203 BC. Obv. Helmeted head of Roma right; behind, X. Rev. The Dioscuri galloping right; below, horses, CN CALP ligate and ROMA in partial tablet. RRSC B133; Cr. 153/1. 3.5 g. 18.5 mm. RR. Rough surfaces. Brushed. About VF.