Islamic Rare type AE fals, Nasr bin Ali, 990s, Ferghana, Qarakhanid Qaganate, Central Asia

Shahada spread on both sides, nasr bin 'ali below Shahada on the reverse, reverse margin: al-amir nasr bin 'ali mawla amir al-mu'minin.  28mm, 2.57 grams. cf. Zeno 42550.

This scarce type has not mint and date, though it is usually given to Ferghana based on the style. Struck in the 390s AH (990 CE). 

The Kara-Khanid Khanate was a confederation of Turkic tribes ruled by a dynasty known in literature as the Karakhanids or Ilek Khanids. Both dynastic names represent titles with Kara Kagan being the most important Turkish title up till the end of the dynasty. The Khanate ruled Transoxania in Central Asia from 999-1211. Their capitals included Kashgar, Balasagun, and Uzgen.