Watch List notes:

FATIMID: al-Musta 'li, 1094-1101, glass weight or jeton (2.90g), A-728, FGJ-342var, local imitation of type FGJ-342, legend al-imam ahm[ad] / al-musta 'li billah / amir al-mu 'minin, pale yellow-green, translucent, EF, R.

Estimate: 110-150 USD