毘伽可汗
The stele had been erected on a bixi or tortoise plinth and is made of light gray granite. There are 30 lines of text inscribed on each side of the stele in old Turkic using the Orkhon alphabet (Turkic runes) which was also used in the famous Khöshöö Tsaidam Monuments of Bilge Khagan and his brother Kül Tigin of the Turkic khaganate in 732 and 735 CE. The narrator is Bayanchur Khan of the Uighur khaganate who reigned between 747-759 CE.