Byzantine
Justinian I (527-565 AD) Nikomedia
AE Follis or AE Nummi (40.9mm, 23.2g)
Obv: D N IVSTINIANVS P P AVG, helmeted and cuirassed bust facing, holding globus cruciger and shield decorated with horseman motif; cross to right
Rev: Large M; A/N/N/O - X/II/II across field, cross above, A below; NIK.
Sear 201.