SWG370067 Two letters with a double portrait of Charles Gounod and Jules Massenet (pen & ink on paper with colour litho) by French School, (19th century); Private Collection; (add.info.: Charles-Francois Gounod (1818-1893), French composer; Jules Emile Frederic Massenet (1842-1912), French composer; two brief letters from one to the other; Gounod\'s enquiring as to the availability of an opera box for the family of Mme d\'Agrenett; Massenet\'s with his phone number;); Courtesy of Swann Auction Galleries; French, out of copyright.