Gallienus, 253-268. Antoninianus (Silvered bronze, 21 mm, 4.05 g, 6 h), Siscia, 267. GALLIENVS AVG Radiate and cuirassed bust of Gallienus to right. Rev. P M TR P XVI COS VII Gallienus standing front in military attire, head to left, holding globe in his right hand and long scepter in his left. Cohen -. MIR 1457p (no example recorded). RIC 550. Extremely rare. Minor areas of weakness, otherwise, extremely fine.