Single fol. marked p. no. 24 (rtsa bzhi, with keyletter TA to mark the volume?). It is written in clipped pages with language typical of debate. On verso, line 4, da 'di nas mar la slob dpon padma 'byung gnas gi lugs gis (some spellings I fixed) / mu stegs mur thug / phyal ba / rgyang phan / bzhir 'dod pa yod do. I believe the four non-Buddhist schools are listed just like this in the Man ngag lta phreng, so this could be an early Nyingma debate text!. (Dan Martin's Hurried Notes)