Gallienus, AR Antoninianus, 256, Joint Reign, Moesia-Viminacium
IMP C P LIC GALLIENVS AVG
Radiate, draped, cuirassed bust right, seen from behind
FORTVNA REDVX
Mercury standing facing, head left, purse in right hand, caduceus in left
20mm x 23mm, 3.31g