Silvered antoninianus, 23 mm, 3.48 gm. Obv: IMP GALLIENVS AVG Radiate draped bust of Gallienus right. Rev: LIBERALITAS AVGG Liberalitas standing with abacus and cornucopia.
255 AD, refers to joint consulate of G. and Valerian.
Gallienus, the son of Valerian, was born in Milan and inhertited an Empire in chaos, his reign was marked by continuous Germanic invasions and rebellions among his regional commanders. He was murdered in a coup.