Byzantine
Justinian I (527-565 AD). Constantinople
AE Follis (46.08mm 21.57g)
Obv: D N IVSTINIANVS PP AVG, helmeted, cuirassed bust facing, holding cross on globe and shield, cross to right
Rev: Large M, ANNO to left, cross above, date to right, B // CON in exergue.
SB 163