Heraclius (610-641). AE Half Follis, Nicomedia mint, dated RY 3 (612-613). Obv. Helmeted, draped and cuirassed bust facing, holding short cross. Rev. Large K (mark of value). D.O. 156-157; MIB 179; Sear 837. 5.80 g. 24.00 mm. About EF.