Ancient Byzantine Coins - Justin I and Justinian I - Large M Follis. 527 AD Constantinople mint. Obv: D N IVSTIN E IVSTINIAN PP AV legend with diademed, draped and cuirassed bust of Justin right. Rev: large M with star left, cross right, cross above and ? below; mintmark CON in exergue. BMC -; Sear 126. 18.15 grams. ("). Good fine.