Constantius II, AE Centenionalis, December 25, 350-August, 351, Siscia, Officina 1D N CONSTAN_TIVS P F AVGRosette-diademed, draped, cuirassed bust rightA in left field CONCORDIA-MILITVMEmperor, diademed and in military dress standing facing, head left, holding standard in each hand inscribed with Chi-Rho on the bannerStar above, III in left fieldASIS crescent in exergue21mm x 23mm, 4.77g