Abbasid, silver Fraction Dirham, Al-Muqtadir, AH 295-320, no mint or date, text " L'Allah Ela Allah Mohamed Rasool Alahh" and in the reverse " Al-Muqtadir Billah .. MAUJAD ? Mawla .. Amir Al Mumneen", appears to be an unpublished denomination and extremely rare, wt. 0.30gms.
Estimate: 1800 - 2200 GBP