Unidentified Mahayana Canonical Work

Transliterated title: Incipit (л. 46r): ngan song du skye bar ‘gyur pa gang dag byas pa de dag.... A Buryat blockprint unidentified Mahayana canonical work Ms is incomplete. Ff. 1r-45v, 49r-62v, 76r-77v are missing. Tibetan pagination in words and digits. Tibetan thin paper 20x8, inner frame 16,5x6,5 cm, black ink, 5 lines on page . 46r-48v, 63r-75v, 78r.