Constantine IV, Pogonatus (668-685). AE Follis, Ravenna mint. D/ Helmeted and cuirassed bust facing, holding spear and shield. R/ Large M between A/N/N/O and X/X/X; above, IA; beneath, Θ; in exergue, RAV. D.O. 92; Sear 1240; Ranieri 740-1 (R3). AE. g. 2.42 mm. 22.50 RR. Very rare. Dark green-brown patina. Broken and repaired, otherwise VF.