Watch List notes:

M. Herennius, Denarius, Rome, 108 or 107 BC; AR (g 3,84; mm 19; h 12); Head of Pietas r., wearing diadem; behind, PIETAS; before, control letter, Rv. One of the Pii fratres (Anphinomos or Anapias) running r., bearing his father on his shoulders; behind, M HERENNI. Crawford 308/1a; Herennia 1; Sydenham 567.
Lustrous, about extremely fine.