Watch List notes:

T. Mallius Mancinus, Ap. Claudius Pulcher, Q. Urbinius, Accidentally incuse denarius, Rome, 111-110 BC; AR (g 3,81; mm 17; h 12); Helmeted head of Roma r.; behind, quadrangular device, Rv. Incuse of obverse. Crawford 299/1; Sydenham 570-a.
Very fine.