Justinian I, AE Follis, 546/547, Year 20, Cyzicus, Officina 2D N IVSTINI_ANVS P P AVGHelmeted, cuirassed bust facing, globus cruciger in right hand, shield in left, cross in right fieldLarge M, A/N/N/O to left, cross above, X/X to right, B below KYZ in exergue 36mm x 39mm, 19.79g