C. Calpurnius L. f. Piso Frugi, AR denarius, 67 BC, 17 mm, 4.02 g. 

Head of Apollo left, hair in formal curls, S and two dots behind head.
C PISO L F FRV Naked horseman galloping right, holding palm-branch, H below.

Crawford 408/1b; Babelon Calpurnia 25; RSC Calpurnia 25c; Sydenham 853.

With permission of Numismatica Ars Classica auction 78, Lot 1980, May 2015.