Facsimile edition of the fair manuscript copy of the Swiss composer Martin's Trio from 1936. Full score and separate three parts. Inscribed by the composer on the inside of the full score cover: A mon vieux cher Boepple avec toute mon amitié / Frank Martin / Aout 37.

Formerly the copy of the noted Swiss choral conductor Paul Boepple, who conducted the Dessoff Choir, with his signature on the cover of all three parts.