Watch List notes:

FATIMID, AL-MUSTA'LI (487-485h), Double-dirham weight, black opaque glass. Obverse: in four lines: Ahmad | al-Imam | al-Musta'li billah | amir al-mu'minin. Weight: 6.03g Reference: cf Launois, Collection Maspero, 102-103. Fine to good fine
(200-250 GBP)