ROMAN REPUBLICAN. Q. Marcius Libo. 148 B.C. AR denarius. 3.97 gm. 20 mm. Rome mint. Helmeted head of Roma right; LIBO downward to left, X (mark of value) below chin / The Dioscuri, each holding spear, on horseback right; Q • (MA)RC below horses, ROMA in linear frame below. Crawford 215/1. Sydenham 395. RSC Marcia 1. RBW 915. Good Very Fine; rich iridescent tone; well centered on glossy, fresh surfaces. Beautiful coin. Comes with collector's custom black cardboard holder.