Valerian I, AR Antoninianus, 257, Mediolanum (RIC), Moesia-Viminacium
IMP VALERIANVS P AVG
Radiate, draped, cuirassed bust right, seen from behind
PAX-AVGG Pax standing facing, head left, branch upward in right hand, transverse scepter in left 20mm x 21mm, 3.44g