Constans II and Constantine IV, AV Solidus, 654-668, Constantinople, Officina 3 d N CONStANtINЧS C CONSt Facing busts of Constans II with long beard at left and Constantine IV beardless at right, each wearing crown and chlamys, cross between their heads VICTORIA-AVGЧ GCross potent on three stepsCONOB+ in exergue 19mm x 21mm, 4.39g