Postumus, Romano-Gallic Emperor, 260-269. Double Sestertius (Orichalcum, 29 mm, 19.37 g, 4 h), uncertain mint ('Atelier II'), circa 261-263. IMP C M CASS LAT PO[STVMVS P F AVG] Radiate, draped and cuirassed bust of Postumus to right. Rev. [P M TR] P COS II P P / S - C Mars standing front, head to right, holding inverted spear in his right hand and resting his left on shield set on the ground. Bastien 192. Cohen 259. RIC 111. Areas of weakness and with some deposits on the reverse, otherwise, very fine.