FATIMID: al-Mustansir, 1036-1094, AV dinar (4.03g), al-Mahdiya, AH463, A-719M, Nicol-2240 (type D2), with month al-Muharram, two-line legend in the center on each side, which comprises the royal legend divided between the two sides, a variant used only in AH463, wavy surfaces, VF, RR. Nicol listed only one specimen of this date, and none have appeared on CoinArchives.
Estimate: USD 500 - 600