Byzantine Justinian I. (527-565 AD) Kyzikos AE Decanummium (16.7mm, 3.9g) Obv : Diademed, draped, and cuirassed bust right Rev: Large I; cross above, A/N/N/O X/XX/Ч I across field; KYZ. DOC 195; MIBE 123; SB 209.