The Guhyasamājatantra is one of the earliest Buddhist tantras of the Vajrayāna school; originated in South India according to Tibetan traditions; in two parts; the Pūrvārdha in 18 Paṭalas is also called Aṣṭādaśapaṭala, the second part called Uttarārdha or Aparārdha is said to be spurious and is in 15 Paṭalas (NCC). In this manuscript, there are 2 leaves with fol. no. 4. The beginning of the ms has old leaves and some leaves appear to be newly supplied in the later half.
Sarva-tathāgata-kāya-vāk-citta-rahasya-guhyasamāja (Parārdha)' (Matsunami)
General Library, The University of Tokyo
Decent, some old leaves and some leaves appear to be newly supplied.