British Library (Stein Collections) Or.8212/77.
Found in Dunhuang Mogao in the Cave of Thousand Buddahs (Ch.00183).
It is stored at the British Library. Stein Collection Or.8212/77.
Old Turkic text is written by Bagha Tur Cheghsi.
On one page of the paper the text is on Old Turkic, on the other page in Tibetan. Written with ink. Old Turkic text consists of 12 lines.
Paper’s width - 23.5 cm, height - 38 cm
According to L.Barnett, "script, written by a person named Baghatur Chigshi, perhaps a military official, apparently in the 9th century, giving an account of some arrangements of the military stuff" 589.
Zwalf wrote, "Single sheet with text of Prajnaparamita in Tibetian" 588.