Heraclius (610-641). AE Half Follis, Ravenna mint. D/ Heraclius and Heraclius Constantine standing facing, the former trampling on prostrate figure. R/ Large K between A/N/N/O and XXII; above, cross; beneath, Δ. D.O. 300-1 var. (officina letter); Ranieri 642; Sear 922. AE. g. 3.56 mm. 16.00 RR. Very rare. Dark green patina. About VF/Good VF.