Madame de Saint-Maurice, 1776, Oil on canvas, 39 1/2 x 31 7/8 in. (100. 3 x 81 cm), Paintings, Joseph Siffred Duplessis (French, Carpentras 1725?1802 Versailles), The picture was exhibited by Duplessis at the Salon of 1777, where it was admired for its truthfulness and the delicate treatment of the draperies. In his copy of the Salon catalogue, Gabriel de Saint-Aubin made a small sketch which has permitted the identification of the sitter