Gallienus AE Ant "Mars"4.9gm. Gallienus AD 253-268 AE Antoninianus
"Mars, the bringer of peace" Obv: GALLIENVS AVG - Radiate bust right,
cuirassed Rev: MARTI PACIFERO - Mars standing left, holding olive branch
in right hand and spear and shield in left hand in a stand down
(passive) position Siscia mint AD 260-268 = RIC 492 - Cohen 613