Byzantine Constantine IV Pogonatus, with Heraclius and Tiberius, 668-685. Hexagram (Silver, 20 mm, 5.71 g, 6 h), Constantinople, 674-681. d N COIANЧS P Helmeted and cuirassed bust of Constantine facin
Byzantine Constantine IV Pogonatus, with Heraclius and Tiberius, 668-685. Hexagram (Silver, 20 mm, 5.71 g, 6 h), Constantinople, 674-681. d N COIANЧS P Helmeted and cuirassed bust of Constantine facin