Watch List notes:

M. Opimius. AR Denarius, 131 BC. Obv. Helmeted head of Roma right; behind, tripod; before, X. Rev. Apollo in quadriga right, holding bow in left hand and arrow and reins in right hand; quiver over shoulder; below, M. OPEIMI; in exergue, ROMA. Cr. 254/1. B. 16. AR. g. 3.88 mm. 18.00 VF.