Byzantine
Justinian I (538/9 AD) Nicomedia
AE Nummus (46.2mm, 21.6g)
Obv: D N IVSTINIANVS P P AVG, helmeted, draped, and cuirassed bust facing, holding globus cruciger and shield decorated with soldier on horseback motif; cross in right field
Rev: Large M, cross above, B below; ANNO downwards to left, XII (date) to right, NIK in exergue. Sear 201.