Byzantine Coinage, Constantine IV, Solidus, Constantinople, c. 674-81, helmeted and cuirassed bust facing three-quarters right, holding decorated shield, resting spear over shoulder, rev. Heraclius and Tiberius standing facing, cross potent atop three steps between, officina h, 4.42g/6h (DOC 8d; Sear 1154). Nearly extremely fine, underlying original brilliance £240-£300