FATIMID: al-Mansur, 946-953, AR 1/4 dirham (0.68g), MM, DM, A-696H, citing the Imam as al-imam al-mansur atop the obverse, and with his laqab 'abd Allah isma'il / abu tahir divided above and below the reverse field; mint & date off flan, but style of Fès mint, the only mint that includes the kunya abu tahir in the field; unreported for this smaller fractional dirham, probably unique, Good to VG, RRR.

Estimate: USD 100 - 150