Gallienus (253-268). AE Sestertius, 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. 19.57 g. 31.50 mm. R. Rare, reddish brown patina, green deposits. Good VF. Ex Nomisma 39, 2009, 1792. Ex NAC A, 1991, 1942.