BYZANTINE AND MEDIEVAL COINS Constantine IV Pogonatus, with Heraclius and Tiberius, 668-685. Solidus (Gold, 19mm, 4.33 g 6), Constantinople, 674-681. d N CON-TNV SP Diademed, helmeted and cuirassed bu
BYZANTINE AND MEDIEVAL COINS Constantine IV Pogonatus, with Heraclius and Tiberius, 668-685. Solidus (Gold, 19mm, 4.33 g 6), Constantinople, 674-681. d N CON-TNV SP Diademed, helmeted and cuirassed bu