Gallienus, AE Antoninianus, Antioch (Asian) mint.

GALLIENVS AVG, radiate, draped, cuirassed bust right 
MARS VICTOR, Mars advancing right, wearing helmet, carrying spear and shield. Branch in exergue. 

RIC V-1 (S), Asian Mint 649, Göbl 1632d 
Rated common.

With permission of Ed Flinn, 
http://www258.pair.com/denarius/