Gallienus (253-268). AE Sestertius, Rome mint, 254-255 AD. Obv. [IMP C] P LIC GALLIENVS AVG. Laureate and cuirassed bust right. Rev. CONCORDIA EXERCIT SC. Concordia standing facing, head left, holding patera and cornucopiae. RIC V 209; C. 132. AE. 18.67 g. 29.00 mm. Light green patina. VF.