Thirty-four signatures of prominent musicians from the early and mid twentieth century, possibly collected by a member of the New York Philharmonic. Most are dated between 1935 and 1938, but a handful are from the 1950s. The signatures are all on the inside front wrapper of a Beethoven sonata (music not present), except for three on the verso of the detached back wrapper (marked below with an asterisk). Those we can identify include:

Composers: Aaron Copland, Ernest Schelling, Daniel Gregory Mason, Edgar Stillman Kelley, John Barnett, Henry Hadley, Charles Haubiel, Howard Hanson;

Conductors: Arthur Fiedler, Hugo Fiorato, Nikolai Sokoloff, Joseph Rosenstock;

Pianists: Ossip Gabrilowitsch, Zygmunt Stojowski, Leonid Hambro; Lydia Hoffmann-Behrendt*;

Violinists: John Corigliano, Mishel Piastro, Margaret Pardee, Kenji Koboyashi, Oscar Shumsky; Louis Graeler;

Singers: Max Panteleiff.