Heraclius (610-641) AE Follis (Bronze, 11.51g, 30mm) Nicomedia, Year 4=613/4
Obv: The two emperors standing facing, the father larger than his son, each holding cross on globe, cross between their heads.
Rev: Large M, between A/N/N/o on l. and II/II on r.; cross above, officina letter B below; mintmark NIKo in exergue
Ref: Sear 834