Byzantine
Justinian (527-565 AD). Kyzikos. Dated RY 16 (542/3).
AE Follis (38.4mm 18.88g)
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 - Xς (date) across field; cross above, B below; KYZ.
Sear 207.