Heraclius. 610-641. Æ Follis (25mm, 7,87 g). Nicomedia mint, 1st officina. Dated RY 1 (610/1). Helmeted, draped and cuirassed bust facing, holding cross / Large M; cross above, A/N/N/O I across fields; A//NIKO. DOC 153b; MIB 174; SB 833.