Almoravids, Alì bin Yusuf with his heir Tashfin bin Alì (AH 533-537 / AD 1139- 1143) Base AR Fractional Dirham (Taifa type). No mint, (Jaén?), no date. Kalima in three lines in naskhi script / "The Commander of the faithful Alì and the emir Tashfin" in three lines across field. Album -; Vives -; Cf. Vaño 318 (for a similar coin with different distribution) 0.90g, 11mm, 4h.
Good Fine. Very Rare.
From the inventory of a European dealer.
Some of these coins with taifa style have been assigned to Jaén mint, this one in particular is most likely assigned to this mint due to its similarity to a full dirham dated AH 536 from Jaén mint (actually unpublished).