Coin from the collection of prof. Bartosz Awianowicz.
Byzantine Empire
Justin I (518–527), Follis 518-527, Constantinople mint
Obverse: pearl-diademed, draped and cuirassed bust right
D N IVSTINVS PP AVG
Reverse: large letter M, above a cross, two stars across fields, CON in exergue
Diameter 33 mm, weight 14.97 g