JUSTINIAN I (527-565) AE Follis, Constantinople, Dated Year 31 (557/8 AD).
D N IVSTINIANVS P P AVG - Helmeted, diademed, and cuirassed bust facing, holding globus cruciger and shield decorated with horseman spearing a fallen enemy; cross in right field
Rev: Large M, cross above; ANNO and XXXI (date) on either side; B//CON
DOC I 55a; SB 163.