Constantine IV Pogonatus, AV Solidus, 668-685, Constantinople, Officina 1 d N COS_T_NuS P Pearl-diademed, helmeted with crest and plume, cuirassed bust facing, wearing short beard, spear in right hand over shoulder, shield decorated with horseman in left VICTO A_VGu A Cross potent on three steps between facing standing figures of Heraclius on left and Tiberius on r ...