Ancient Roman Empire Silver Denarius. Roman Empire. But the rise of the powerful Sassanid Empire in Persia, and more devastating raids from Germanic tribes forced Severus Alexander out of his comfort zone, into the military realm.

Reverse : PAX AETERNA AVG, Pax, draped, standing left, holding olive-branch in right hand and sceptre in left hand. Ancient Roman Empire Silver Denarius. Roman Empire. But the rise of the powerful Sassanid Empire in Persia, and more devastating raids from Germanic tribes forced Severus Alexander out of his comfort zone, into the military realm.