Watch List notes:

M. Herennius, Denarius, Rome, 108 or 107 BC; AR (g 3,92; mm 18; h 12); Head of Pietas r., wearing diadem; behind, PIETAS, Rv. One of the Pii fratres (Anphinomos or Anapias) running r., bearing his father on his shoulders; behind, M HERENNI; before, control mark. Crawford 308/1b; Herennia 1; Sydenham 567a.
Lustrous, extremely fine - good extremely fine.