Bronze follis, 25mm, 9.44gm, issued AD 610-641. Constantinople mint.
Obv: dd NN hERACLIUS ET hERA CONST PP A, Heraclius, bearded on left and Heraclius Constantine on right standing facing.
Rev: Large M with chi-rho above, to the right II/II, Officiana mark is A.
References: Sear 805.