Abstract
In this paper, the coinage of Islamic empire is described in detail. The First Abbasid Period was explored and the images and script of dinar and dirham is discussed. The study presents that the dinar and dirham of First Abbasid Period has changed the scripts and has written the name of legend Mohammad and the kalima. On the gold coin the name of Mohammad was scripted, whereas, on the silver coins Kalima was scripted.