Watch List notes:

Cn. Domitius Ahenobarbus. 118 B.C. AR denarius (19.1 mm, 3.40 g, 9 h). Rome mint. Helmeted head of Roma right, X behind / ROMA within linear square, the Dioscuri riding right, holding spears; CN·DO below. Crawford 147/1; Sydenham 349; RSC Domitia 1. aVF. Scarce. 

Ex RBW collection (not in previous sales).