Stoltz, Rosine - Autograph Letter Signed

French mezzo- soprano star of the Paris Opera (1815-1903), who appeared in the world premiere productions of Berlioz's Benvenuto Cellini, Donizetti's La Favorite among others. Autograph letter signed, written in French, sold untranslated. Handwritten on two pages, on one double-sided document. Size is 4.5 x 7 inches, in excellent condition.