Byzantine Empire
Justinian I (527–565), Follis 550-551, Kyzikos
Obverse: cuirassed bust facing, holding globe and shield, cross in right field
D N IVSTINIANVS PP AVG
Reverse: large letter M, above a cross, ANNO in left field, X / X / II / I in right
KYZ
Diameter 38 mm, weight 19.76 g