Justinian I (527-565 AD). Nicomedia
AE Follis (44.4mm 17.84g)
Obv: DN IVSTINIANVS PP AVG, Helmeted and cuirassed bust facing, holding globus cruciger and shield decorated with horseman motif; cross to right.
Rev: Large M, ANNO to left, cross above, date to right, B below, mintmark NIKO