Austrian soprano (1833-1903), known in Vienna as the queen of operetta, sang Rosalinde in world premiere performances of Johan Strauss's Die Fledermaus.

Autograph letter signed, dated in 1895, 2 pages of a folded 4-page document, size of each page is  4.5 x 62.5 inches, in excellent condition. Written in German, sold with an English translation.