Watch List notes:

M. Baebius Q.f. Tampilus, Denarius, Rome, 137 BC; AR (g 3,92; mm 18; h 8); Helmeted head of Roma l.; behind, TAMPIL; before, X, Rv. Apollo in quadriga r., holding reins, branch, bow and arrow; below, ROMA; in ex. M BAEBI Q F. Crawford 236/1a; Baebia 12; Sydenham 489.
Lustrous, good extremely fine.