Watch List notes:

M. Baebius Q.f. Tampilus, Denarius, Rome, 137 BC; AR (g 3,91; mm 19; h 9); Helmeted head of Roma l.; behind, TAMPIL; before, X, Rv. Apollo in quadriga r., holding reins, branch, bow and arrow; below, ROM[A]; in ex. [M BAEBI Q F]. Crawford 236/1c; Baebia 12; Sydenham 489.
Lustrous, good extremely fine.