Justinian I (527-565) Æ Follis (Bronze, 21.80g, 39mm) Constantinople, Dated RY 15 (541/2).
Obv: DN IVSTINIANVS P P AVG, Diademed, helmeted, and cuirassed bust facing, holding globus cruciger and shield; cross to right
Rev: Large M; cross above, A/N/N/O XU across fields; B//CON.
Ref: DOC 37c; MIBE 95a; Sear 163.