: This article looks into ninth-century Japanese Tendai man-uscripts, including official letters and certificates concerning Saichō’s 最 澄 (767–822) trip to China. A particular focus is on the Kanjō Ajari senji kanchō 灌頂阿闍梨宣旨官牒 [Official Documents of the Edicts for Abhiṣeka-ācārya], a small collec…