Heraclius (610-641) AE Follis (Bronze, 32mm, 11,94g) Constantinople Mint, Year 4 (?) (613/4 A.D.) Overstruck on a Follis of Phocas.
Obv: Heraclius and Heraclius Constantine standing facing, each wearing crown and chlamys and holding globus cruciger
Rev: Large M between ANNO and numerals representing regnal year.
References: S 805.