Denarius of L. Calpurnius L.f. L.n. Piso Frugi, Rome

Obv.: Laureate head of Apollo r.; behind, control-mark (four dots arranged in a triangle); before, control-mark (koppa [or O]). Border of dots. Rev.: Horseman galloping r., with palm branch over l. shoulder; above, control-mark (.D. or .O.); below, L.PISO.FRVG[I]. Border of dots.