Watch List notes:

FATIMID: al-Mu'izz, 953-975, AR ½ dirham (1.23g), al-Mahdiya, AH350, A-699, Nicol-485 (only 2 pieces noted), some weakness in the center, full bold mint & date; one flan-crack, extremely rare date (none on CoinArchives), Fine to VF, RRR. Only AH356-360 are relatively available for silver coins of al-Mahdiya of al-Mu'izz.

Estimate: 300-400 USD