Justinian I (527-565 AD). Nicomedia mint
AE Decanummium (16,6mm 3,7g)
Obv: D N IVSTINIANVS P P AVG. Diademed, draped, and cuirassed bust right
Rev: Large I; cross above, A/N/N/O to left; date across field, NIK below.
DOC 157; MIBE 118a; SB 205