Byzantine
Justin II and Sophia (565-578 AD) Constantinople
AE Follis (30.3mm 14.7g)
Obv: Justin and Sophia, both nimbate, enthroned facing.
Rev: Large M, Cho-Rho above, date across fields, Δ below, ... in exergue.
Cf. DOC I 29d (Constantinople mint); cf. MIB II 43d (same); cf. Sear 360