Watch List notes:

The Collection of Roman Republican Coins of a Student and his Mentor Part III

Denarius, Central Italy (?) circa 211-208, AR 3.75 g. Helmeted head of Roma r.; behind, X. Rev. The Dioscuri galloping r.; below, knife and in exergue, ROMA. Sydenham 165. RBW 498. Crawford 109/1.
Rare. Wonderful old cabinet tone and good very fine
Privately purchased in 1989.