The volume contains Mahayoga tantras including Vajrakilaya-agnekalpajvalatantra. The Mahayoga school represents the mainstream anuttara yoga tantra tradition in the schema of Buddhist doxographical layout according to the rNying ma school. The volume is written on cream coloured traditional Bhutanese paper made from dahpne bark. It is written in black ink. The text is wrapped in several layers of cloth and bound between two think wood covers. The leaves are roughly 65x18cm. The first folios of the rNying ma rGyud 'bum have a deep blue background, most likely painted using malachite or lac. Letters on the first folio are written in gold ink. The text starts on the verso of the first leaf which also has a silk cover. 1 volume containing 408 folios of manuscripts on paper in loose leaf poti format.
Dates of original material: unknown.
Volume: A.
Script(s) of material: Tibetan dBu can script.
