Heraclius. Follis; Heraclius; 610-641 AD. Nicomedia, Year 4=613/4 AD, Follis, (26mm, 10.2 g) Obv: The two emperors standing facing, the father larger than his son, each holding cross on globe, cross between their heads. Rx: Large M, between A/N/N/o on l. and II/II on r.; cross above, officina letter B below; mintmark NIKo in exergue.