The Duchess of Gramont, Madame de Stainville and the Count of Biron, Louis Carrogis Carmontelle, circa 1762
Date: circa 1762. Dimensions: height: 29 cm (11.4 in); width: 19 cm (7.4 in). Medium: gouache, graphite, paper, red chalk, watercolor. Collection: Condé Museum. Carmontelle - La duchesse de Gramont, Mme de Stainville et le comte de Biron