Watch List notes:

FATIMID: al-Fa'iz, 1154-1160, Glass weight (4.10g), ND, A-743, FGJ-419var, inscribed in 4 lines, al-imam al-fa'iz bi-nasr Allah amir al-mu'minin, rather poorly engraved, perhaps contemporary imitation, translucent dark blue, worn, but little vitrification, Fine to VF, R.

Estimate: 100- 120 USD