Silver Dirham al-Mahdi (158-169AH (775-785AD))
O
bism Allah duriba hadha al-dinar al-Muhammadiya sana tisae wi sittin we miyya illa ilah la wahdah Allah lahu sharik la (In the name of Allah this dirham was struck in al-Muhammadiya in the year nine and sixty and one hundred There is no god but Allah alone none is with him associated)
R