Gallienus, 253-268. Antoninianus (Billon, 23 mm, 3.42 g, 6 h), Rome, 260-261. GALLIENVS AVG Radiate bust of Gallienus to right, with slight drapery over his left shoulder. Rev. VIRTVS AVG Mars standing front, head to left, holding globe in his right hand and long scepter in his left; in field to right, P. Cohen 1225. MIR 344f (5 examples). RIC 317 var. (no drapery and with spear instead of scepter). Very rare. Two edge splits, otherwise, very fine.