The article is devoted to the publication of two leaves of a manuscript in Tocharian B from the Petrovskii collection, which is kept in the Institute of Oriental Manuscripts of the Russian Academy of Sciences, in St. Petersburg, known under the call numbers SI P/1b (SI 1903) and SI P/2b (SI 1904). These two leaves are consecutive and almost complete. The text is being published here for the first time in its entirety, with full transliteration, transcription and translation. It is part of a Buddhastotra, a poem of praise addressed to the Buddha, the stanzas of which are parallel to several stanzas of the Varṇārhavarastotra by Mātṛceṭa.