File includes a postcard with a black and white photograph of Pietro Mascagni (1863-1945), an Italian opera composer. The postcard has various signatures on the front, including Francesco Marconi (1855-1916, operatic tenor from Rome) and four other illegible signatures. The postcard is addressed to Frau Dr. Lehnsern(?) of Berlin. File also includes the incipits of three pieces by Ignaz Moscheles (1794-1870), signed at dated October 3, 1844. There are also five letters written by the following composers: Jacques Offenbach (1879), Gustav Mahler (1899), Edvard Grieg (1902), Maurice Ravel (1921), and Ignacy Paderewski (n.d., 1860-1941).