Gallienus Augustus 253-268AD AE Antoninianus RIC 456 var (no wreath), Joint Reign

struck 255-256 Mint of Asia
19.1x20.8mm, 3.65g
IMP C P LIC GALLIENVS P F AVG
Radiate draped and cuirassed bust right
/ VIRTVS AVGG
Emperors standing face to face,
one holding Victory, the other, globe.
RIC 456 pg 104 var (no wreath above)

Göbl 1687m - Göbl 1703m and 1703r further differentiate between wreath and star variants mentioned in RIC 456