Gallienus (253-268). BI Antoninianus, Rome mint, 260-268. Obv. GALLIENVS AVG. Radiate head right. Rev. PAX AETERNA. Pax, draped, standing left, holding olive-branch in right hand and sceptre in left hand. RIC V 253. 3.02 g. 21.00 mm. Toned, with some silvering preserved. VF.