Q. Marcius Libo. AR Denarius, 148 BC. D/ Helmeted head of Roma right; behind, LIBO; before, X. R/ Dioscuri galloping right; below, Q. MARC; in exergue, ROMA. Cr. 215/1. B. 8. AR. g. 4.02 mm. 20.00 Good metal and full weight. An outstanding example. Superb old cabinet tone. EF.