Watch List notes:

Anonymous (female head series), Denarius, Uncertain mint, 206-200 BC; AR (g 3,74; mm 19; h 9); Helmeted head of Roma r.; behind, X, Rv. The Dioscuri galloping r.; below, female head; in ex. ROMA. Crawford 127/1; Horatia 1; Sydenham 277.
Very rare, cabinet tone, about extremely fine.