Byzantine
Justinian I (527-565 AD). Nicomedia. RY 14 = 540/41 .
AE Follis (42 mm 23.76g)
Obv: D N IVSTINIANVS P P AVI Helmeted and cuirassed bust of Justinian I facing, holding globus cruciger in his right hand and with a shield, decorated with a horseman spearing a fallen foe, over his left shoulder; in field to right, cross.
Rev: Large M between A/N/N/O and X/II/II; above, cross; below, B; in exergue, NIK.
DOC 117b; MIB 114; SB 201.