Justinian I AE 40 Nummi. Constantinople, dated RY 13 = AD 539/40 (19.50g, 3150mm) D N IVSTINIANVS P P AVC, helmeted and cuirassed bust facing, holding globus cruciger and shield decorated with horseman motif; cross in right field / Large M; cross above, ANNO to left, XIII to right, A below, CON in exergue. MIBE 95a; DOC 38a; Sear 163