Gallienus, 253-268. Antoninianus (Billon, 21 mm, 2.85 g, 11 h), Mediolanum, 262. GALLIENVS AVG Radiate head of Gallienus to left. Rev. ADVENTVS AVG Gallienus on horseback to left, raising his right hand in salute and holding spear in his left. Cohen 14. MIR 1026e (4 examples). RIC 463. Extremely rare and with an interesting reverse type. Slightly rough and with minor deposits, otherwise, very fine.