This manuscript describes the time when the Buddha went to teach Abhidhamma (The basket of higher teaching) such as Dhammasaṅgiṇī, Vibhaṅga, Dhātukathā, Pukkalapaññatti, Kathāvatthu, Yamaka, and Mahāpaṭṭhāna, to his divine mother in the Dusita heaven.
Colophon:
จุลสักกราชะ 1236 ตัว เดือน 11 เมงวัน 3 ฯ
Cuḷasakarāja 1236, he eleventh [lunar] month, on the third day of the week.