Anonymous. 206-195 BC. AR Denarius, 19mm, 3.80 g. Knife (second) series. Rome mint. 

Helmeted head of Roma right; X (mark of value) behind head.
The Dioscuri, each holding spear, on horseback right; curved Gallic knife beneath horses, ROMA in exergue.

Crawford 109/1; Sydenham 165 or 255; RSC 20s. 

With permission of cngcoins.com, auction 408, Lot 387, Oct 2017.

Ex Andrew McCabe Collection. Ex RBW Collection.