The Roman RepublicSex. Pompeius Fostlus.. AR Denarius, 137 BC. Cr. 235/1c. B. 1. 3.96 g. 18.5 mm. Sex. Pompeius Fostlus. AR Denarius, 137 BC. D/ Helmeted head of Roma right; below chin, X; behind, jug. R/ SEX. PO. [FOSTLVS]. She-wolf suckling twins; behind, ficus Ruminalis; in left field, the shepherd Faustulus leaning on staff; in exergue, ROMA. Cr. 235/1c. B. 1. AR. g. 3.96 mm. 18.50 Great metal and full weight. Lustrous and exceptional, virtually as struck. FDC.