FATIMID: al-Mustansir, 1036-1094, AV dinar (4.27g), Misr, AH475, A-719.2, Nicol-2160, appears to be the same obverse die as Nicol's illustrated example for AH475 (#2160) and possibly the same reverse die as his AH474 dinar (#2159), EF.
Estimate: 300-400 USD