Gallienus, 253-268. Sestertius (Orichalcum, 27 mm, 15.17 g, 1 h), Rome, 256-257. IMP GALLIENVS P F AVG GERM Laureate and cuirassed bust of Gallienus to right. Rev. RES[TITVTOR O]RBIS / S - C Gallienus standing left, holding spear in his left hand and raising Orbis Terrarum who is kneeling right before him. Cohen 913. MIR 111n (1 specimen). RIC 236. Rare and unusually attractive, with an impressive portrait. Struck from a somewhat worn reverse die, otherwise, good very fine.