Watch List notes:

Anonymous [Shield and Carnyx]. Ca. 206-200 B.C. AR denarius (19.0 mm, 4.05 g, 11 h). Rome mint. Helmeted head of Roma; X behind / ROMA, Dioscuri on horseback riding right, each holding spear; shield and carnyx below. Crawford 128/1; Sydenham 290; RSC Decia 1. aVF. Very Rare. 

Ex RBW collection (not in previous sales).