Watch List notes:

C. Thalna. 154 B.C. AR denarius (18.56 mm, 3.51 g, 1 h). Rome mint. Helmeted head of Roma right, X behind / ROMA, Victory driving biga right, holding whip and reigns; C·TAL monogram below. Crawford 202/1a; Sydenham 379; RSC Juventia 7. VF. Rare. 

Ex RBW collection (not in previous sales), Ex Swiss Bank Verein 9/27/91.