Constantine IV Pogonatus. 668-685. AE Decanummium (3.88g, 22mm). Constantinople mint. Struck circa 668-73. Obv.: helmeted and cuirassed facing bust, holding globus cruciger. Rev.: large I; cross above; cross to left, K to right; CO[N] in exergue. DOC 38; MIB 88; SB 1182. VF.