Watch List notes:

M. Junius Silanus. 145 B.C. AR denarius (19.2 mm, 3.73 g, 5 h). Rome mint. Helmeted head of Roma right; head of ass behind, X below chin / M·IVNI/ROMA, the Dioscuri riding right, each holds a spear. Crawford 220/1; Sydenham 408; RSC Junia 8. gVF.