Watch List notes:

C. Allius. Denarius Sicily circa 209-208, AR 19.50 mm., 4.03 g.
Helmeted head of Roma r., with loop beneath visor; behind, X. Rev. The Dioscuri galloping r.; below, ROMA in linear frame. Babelon Allia –. Sydenham 191a. RBW 321. Crawford 75/1c

Very rare. Attractive old cabinet tone, almost insignificant corrosions on rev., otherwise Good Very Fine/About Extremely Fine.