Watch List notes:

M. Junius Silanus. 145 BC. AR Denarius (18mm, 3.82 g, 11h). Rome mint. Helmeted head of Roma right; ass's head left to left, X (mark of value) below chin / The Dioscuri, each holding spear, on horseback right. Crawford 220/1; Sydenham 408; Junia 8; RBW 944. In NGC encapsulation 4184427-017, graded Ch AU, Strike: 4/5, Surface: 5/5. Iridescent toning.

Ex Heritage Weekly Auction 231441 (9 October 2014), lot 62032.