RASSID: al-Mahdi, 911-913, AR sudaysi (0.46g), 'Aththar, ND, A-1067.1, W-1087, Nicol-22, lustrous About Unc, RR. Struck during the reign of Rassid al-Murtada (AH298-301), all of whose coins are solely in the name of the contemporary Fatimid Imam al-Mahdi.
Estimate: 200-250 GBP