Valerian I, AR antoninianus, Viminacium or Antioch mint.
 
IMP C P LIC VALERIANVS AVG, radiate, draped bust right.
PIETATI AVGG, Pietas standing left holding sceptre, leaning on column.

RIC 219A Viminacium; Goebl 1563a Antioch; Sear 9956

With permission of Numismatik Lanz, May, 2006.