Heraclius (610-641). AE Half Follis, Ravenna mint. D/ [....]. Facing busts of Heraclius (in centre), Heraclius Constantine (on right) and Martina (on left); above her head, cross. R/ Large monogram HK between A/N/N/O and X/V/I; above, cross; beneath, RAV. MIB 260; Sear 921; Ranieri 636 (R3). AE. g. 4.09 mm. 18.00 RRR. Very rare and in excellent condition for issue. Pleasant green brown patina. VF/Good VF.