Rare ancient Byzantine Empire coin from the joint reign of Emperors Justin I & Justinian I minted 4 April to 1 August 527 CE, 16.47g, 32mm.
Demonation M = 40 nummia = 1 follis, Nicomedia mint (NIKM), officinia A.
Sear Byzantine Coins, 127.
Obverse: D N IUSTINVS D N IVSTINIVS, Pearl-diademed, drapted and cuirassed bust of Justin right, seen from front.
Reverse: Large M (mark of value), star to left, cross above and to right, A below, NIKM in exergue.
Certified by NGC to F, Strike 4/5, Surface 4/5.
Prior to his death Justin elevated his nephew, Justinian, to the rank of co-emperor, thus ensuring a smooth succession.