Byzantine
Justinian I (527-565 AD) Constantinople
AE Follis or 40 Nummi (40mm, 23.2g))
Obv: DN IVSTINIANVS PP AVG, helmeted, draped, and cuirassed bust facing, holding globus cruciger and shield decorated with soldier on horseback motif; cross to right.
Rev: Large M; cross above, X/Ч (date) to right, Δ below; in exergue CON.
DOC 40d; MIBE 95a; Sear 163.