This manuscript describes the time when the Buddha went to teach Abhidhamma (The basket of higher teaching) to his divine mother in the Dusita heaven.
Colophon:
ปริปุณณะแล้วยามกองงาย นะ วัน 3 เดือน 12 ลง 4 ฅ่ำ สักขาศได้ 1236 สัฏฐสก ปถมมุลลสัทธาท่านแสนจันทะเครื่อง ฯ
I finished copying [this manuscript] in CS 1236, on the fourth waning-moon day of the twelfth [lunar] month, on a Tuesday at the time of the morning drum. The manuscript was sponsored by Mr. Saen Canthakhrüang.
Remark: The date corresponds to Tuesday, 29 September 1874 (1236 Bhadrapada 19).
Other notes:
(Front cover) “Front cover of Phra Abhidhamma Piṭaka”.
(Back cover) “Back cover of Phra Abhidhamma Piṭaka”.
(The left side of the first folio) “Phra Abhidhamma Piṭaka”.