Gallienus AE Sestertius, Virtus/Mars reverse Gallienus (253-268 AD). AE Sestertius (28mm, 14.5 g), Rome, c. 257/258 AD. Obv. IMP C P LIC GALLIENVS AVG, Laureate and cuirassed bust right. Rev. VIRTVS AVGG / S - C in field, Virtus/Mars standing left and holding spear, leaning left hand on shield.