Rare and historic! Early 11th century Karaite manuscript from the Cairo Geniza!

Rare and historic! Early 11th century Karaite manuscript from the Cairo Geniza!
Rare manuscript of 6 leaves! Ancient Karaite script from the 11th century, by one of the Karaite leaders of that period.

This is from Kitab al-Istibsar, by Yousef al-Batsir. The page starting (on his p. 1) with the words “atkal min amalah), corresponding to the Peterburg manuscript in the first Pirkovitch collection 513 Yevr-Arab I, page 17a, from the seventh line onwards. He debates with the author of Khitab al-Anwar by Qirqisani.