Valerian I Billon antoninianus, Milan. AD 253. Joint reign.

IMP VALERIANVS P AVG, radiate, draped bust right.
SALVS AVGG, Salus standing right, feeding serpent in arms.

RIC 251; Cohen 200; Sear 9972. 

With permission of Emporium Hamburg - Auction 70, Lot 339, Nov. 2013