Coins are one of the most important and precise sources of histiography, since they are of the monumental documents that specialties depended on, for the accurate crucial information they infer. This research aims to publish a Byzantine coin that is not published or studied before. It belongs to the Byzantine period, particularly during the era of the Byzantine emperor Justine l (518-527). It is included within a group special for Minia governorate, numbered (5). Fortunately, this coin is equals preserved well that it has allowed us to recognize the paintings and writings on. Its (40 Nummi) for the emperor Justine l and it also has the name of the later emperor Justinian l painted over it so. It has a great importance as it is one of the rare coins; the research is depending on the descriptive analytic approach for all what was painted on the coin, plus analysis the political events inferred.