Watch List notes:

Probus (276-282), Antoninianus, Siscia, c. AD 276-282; AE (g 3,89; mm 21; h 5); IMP C M AVR PROBVS P F AVG, radiate and cuirassed bust l., holding spear and shield, Rv. PAX A - V - GVSTI, Pax standing facing, head l., holding olive-branch and sceptre; on r., V; in ex. XXI. RIC 711.
Dark patina, about extremely fine.