The manuscript contains sevenfold of Abhidhamma Pitaka (the highest Dhamma that the Buddha first teach for his mother at Dusit heaven: such as Dhammasaṅgiṇī, Vibhaṅga, Dhātukathā, Pukkalapaññatti, Kathāvatthu, Yamaka, and Mahāpaṭṭhāna.
Other notes:
The left side of the first folio reads “Seven treatises of Abhidhamma Piṭaka.”