Watch List notes:

FATIMID: al-Zahir, 1021-1036, glass weight/jeton (4.26g), AH424, A-718, FGJ-241, 3-line legend al-zahir / li-i'zaz din Allah / amir al-mu'minin broad outer rim // adl in center, date around, clearly AH424, translucent deep blue, almost perfect condition, one of the most outstanding glass pieces we have handled, EF-AU, RRR.

Estimate: 300-400 USD