Heraclius (610-641). AE Follis, Ravenna mint. D/ Facing bust of Heraclius (in centre), Heraclius Constantine (on right) and Martina; the two emperors each wears crown and loros; the empress, crown and jewelled robe; above her head, cross. R/ Large M between A/N/N/O and X/V/I; above, cross; beneath, A; in exergue, RAV. D.O. 292; Ranieri 604; Sear 913. AE. g. 6.01 mm. 22.00 RR. Very rare and in excellent condition for issue. Dark green patina. VF/Good VF.