Probus Antoninianus, struck AD 276-277 at Rome mint (1st emission).
Obv: IMP C M AVR PROBVS AVG, radiate, draped and cuirassed bust right.
Rev: SALVS AVG / XXIΔ (in exergue), Salus standing left, holding scepter and patera, feeding serpent rising from altar.
3,44 g, 22 mm.
RIC 744 c
scarce