The National Museum of Egyptian Civilization (NEMC) preserved since 2007 a collection of coins that was donated by Emma Jacot to the Greco-Roman Museum of Alexandria in 1953. Some of them were represented with Zeus-Ammon and the double eagles type of with the cornucopia with the epithet PTOAEMAIOU BASELWS have never been published. The scholars have different opinions regarding this type of representation. This research aims to explain the significance of eagle on Ptolemaic coins preserved in NEMC by exanimating and comparing these pieces with other collections with the same representation. The results highlighted some new insights about the eagle and its significance on Ptolemaic coins