Official letter from the Uighur khagan to the ruler of Guiyi jun 歸義軍.
scroll. The right half of the text is missing. Recto, 41 lines with a square vermilion seal in Chinese at the bottom. Cf. 【Catalogue】 IV (19) and Moriyasu (2000: 16, 81-87). Verso, 1 line in Chinese. Cf. 【Catalogue】 IV (19).