Watch List notes:

Probus, (A.D. 276-282), billon antoninianus, Ticinum mint (3.74 g), obv. radiate bust of Probus to right, draped and cuirassed, around IMP C PROBVS AVG, rev. around SALVS PVBLIC, GXXI in exergue, Salus standing right, feeding serpent in arms, (S.12031, RIC 568, C.606). Toned, extremely fine with nearly full silvering, scarce.

Ex RJM Collection and Palladium Numismatics with ticket.
($90-100)