Gallienus, 253-268. Antoninianus (Billon, 24 mm, 3.46 g, 11 h), Mediolanum, 260-261. [GALLI]ENVS AVG Radiate, draped and cuirassed bust of Gallienus to left, seen from behind, holding spear in his right hand and shield with his left. Rev. LEG II PART VI P VI F Centaur advancing left, holding globe in his right hand. Cohen 482. MIR 996i (3 examples). RIC 335. Extremely rare. Struck from a somewhat worn obverse die and with some minor weakness, otherwise, very fine.