Constantine IV Pogonatus, with Heraclius and Tiberius, 668-685. Solidus (Gold, 14mm, 4.17 g 6), Carthage, IY 9 (680/1). DON ZVGG Helmeted and cuirassed bust of Constantine facing, holding spear and shield. Rev. Θ / NOB Cross potent set on three steps; at sides, Heraclius and Tiberius standing facing, each holding globus cruciger. DOC 46. SB 1189. Good very fine.