Justinian I (527-565) AE Follis (Bronze, 19.23g, 36mm) Nicomedia, 2nd officina. Dated RY 20 (546/7).
Obv: Helmeted and cuirassed bust facing, holding globus cruciger and shield; cross to right
Rev: Large M; cross above, A/N/N/O X/X across field; B//NIKO. DOC 126b; MIBE 112; Sear 201.