Watch List notes:

Anonymous. After 211 B.C. AR denarius (20.4 mm, 3.89 g, 9 h). Uncertain mint. Helmeted head of Roma right; X behind / ROMA, the Dioscuri on horseback riding right, each holding spear; star above each. Double exergue line. Crawford 54/1; Sydenham 140; RSC -. gVF. Very Rare. 

Ex RBW collection (not in previous sales).