Gallienus, AR Antoninianus, 255-256, Joint Reign, Asia (RIC) SamosataIMP C P LIC GALLIENVS P F AVGRadiate, draped, cuirassed bust right, seen from behind VIRT_VS AV_GG Gallienus and Valerian standing facing, heads turned toward each other, left emperor with spear upward in right hand and globe in left, right emperor with transverse spear in left hand and Victory in right ...