Sextus Pompeius Fostlus, AR Denarius, 137 BC, Rome (No legend)Head of Roma right, wearing winged helmet, X below chin, jug in left field SEX . PO-F_OSTLVS She-wolf standing right, suckling twins, tree in background with one bird perching on trunk and two more birds perched in upper branches, Faustulus advancing right at leftROMA in exergue 20mm, 3.88g