Gallienus. AD 253-268. Antoninianus (21.5mm, 3.30 g, 12h). Siscia mint. 1st emission, AD 263-264. GALLIENVS A VG, radiate and cuirassed bust left, holding spear over shoulder and shield / PA X AVG, Pax advancing left, holding olive branch and scepter. RIC V 576; MIR 36, 1397hh; RSC 742. Toned silvering, areas of minor porosity, flan crack. EF. Bold portrait. MIR lists only one example with this bust type. Rare.