Justinian I. 527-565. Æ Follis (38.9 mm, 20.86 g, 1 h). Constantinople mint, Dated year 13 = 539/540. DN IVSTINIANVS PP AVG, helmeted and cuirassed bust facing, holding globus cruciger and shield with horseman, cross to right / Large M, ANNO to left, cross above, X/III to right, B below, CON in exergue. SBV 163; DOC 38b. aVF.