Justinian I, 527-565. Follis (Bronze, 41 mm, 21.80 g, 6 h), Constantinople, E = 5th officina, year 12 = 538-539. D N IVSTINIANVS P P AVC Diademed, helmeted and cuirassed bust of Justinian facing, holding globus cruciger and shield; in field to right, cross. Rev. A / N / N / O - XII / CON Large M; above, cross; below, E. DOC 37e. MIBE 95a. SB 163. Reddish-brown patina. Light porosity, otherwise, very fine.