FATIMID: al-Hakim, 996-1021, AV ¼ dinar (1.01g), Atrabulus, AH408, A-710, Nicol-, Nicol's type F3, creased, clear mint & date, F-VF, RR. Nicol knew only the quarter dinar of Tarabulus 408 without the initial alif, just a single specimen published by Tiesenhausen in 1861 (Nicol-1030), and it is possibly the same type, with Tiesenhausen having omitted the initial alif.
Estimate: 150-200 USD