World coins
The Caliphate
Islamic, Abbaside Caliphate, Dirhems from five different rulers.
Al-Mansur, AH 136-158 (754-775), mint Al-Salam, 155 AH, 2.89 g;
Al-Mahdi, 158-169 AH (775-785), Al-Salam, 160 AH, 2.89 g;
Harun al-Rashid, 170-193 AH (768-809), Balkh, 188 AH, 2.93 g;
Al-Mutadid, 279-289 AH (892-902), mint Samarkand, 287 AH, 3.09 g;
Al Muqtadir, 295-320 AH (908-932), 3.58 g. (5)