Justinian I (527 - 565) AE Follis (Bronze, 17.81g/33mm). Constantinopolis.
Obv: DN IVSTINIANVS PP AVC, Draped and diademed bust of Justin I right, around legend:
Rev: Large M, between two stars, cross above, letter below, in exergue: CON.
Ref:Sear 160