BYZANTINE EMPIRE: Justinian I , AE Follis, 40 Nummi, AD 527-565 (39mm, 2929.8g), Dated RY 15 (541/2), Constantinople. Mint, 4th officina. Obverse: DN IVSTINIANVS PP AVG, helmeted, draped, and cuirassed bust facing, holding globus cruciger and shield decorated with soldier on horseback motif; cross to right. Reverse: Large M; cross above, X/? (date) to right, ? below; in exergue CON. Sear 163. VF.