Justinian I. 527-565. Æ follis (37 mm, 22.35 g, 12 h). Constantinople mint, Dated RY 13 (539/40). D N IVSTINIANVS PP AVG, helmeted and cuirassed bust facing, holding globus cruciger and shield with horseman motiff; cross to right / Large M; cross above, date across field; B//CON. DOC 38b; MIBE 95a; SBV 163. aVF, porous black surfaces.