Gilbert Duprez (1806-1896) as Fernando and Rosine Stoltz (1815-1903) as Leonor de Guzmán in Act IV of Gaetano Donizetti's "La Favorite" at the Salle Le Peletier in Paris in 1840-1841. Lithograph by Émile Desmaisons (1812-1880) after Gabriel Lépaulle (1804-1886), frontispiece to the first edition of the vocal score (Paris: Schlesinger, 1840).