Watch List notes:

C. Antestius, Denarius, Rome, 146 BC; AR (g 3,69; mm 19; h 8); Helmeted head of Roma r.; before, X; behind, C ANTESTI, Rv. The Dioscuri galloping r.; below, puppy r. with both fore-feet raised; in ex. ROMA. Crawford 219/1e; Antestia 1; Sydenham 411.
Extremely fine.