Postumus, Romano-Gallic Emperor, 260-269. Sestertius (Orichalcum, 25-31 mm, 21.56 g, 6 h), Cologne, 260. IMP C POSTVMVS P F AVG Laureate, draped and cuirassed bust of Postumus to right. Rev. ORIENS / AVG Sol in fast quadriga left, raising right hand in salute and holding whip in left. Bastien 5 and pl. I, 5 (same dies). Cohen 211. RIC 152 (all citing the Paris specimen). Of the highest rarity and better than the Paris example. Attractive green patina. Minor corrosion and some small nicks, otherwise, very fine.