C. Atestius. 146 BC. AR denarius (3,76 g). Rome mint. Head of Roma right, wearing crested and winged helmet, X (mark of value) below chin / The Dioscuri twins on horseback galloping right, both holding long spear; two stars above their heads; dog running right below; ROMA in exergue. Attractive iridescent toning., Crawford 219/1e, Sydenham 411, Grade: 1+, Purchased from Numisma Mynthandel