Justinian I, 527 – 565 Half follis year XII (538-539), Æ (30mm, 10.87 g). D N IVSTINI – ANVS P P AVG Helmeted, pearl-diademed and cuirassed bust facing, holding globus cruciger and shield with horseman and enemy motif; in r. field, cross. Rev. ANNO – XII Large K; above, cross and beneath B.