Pseudonym of Gaspard-Felix Tournachon (1820–1910), a French photographer, caricaturist, journalist, novelist, and balloonist. ALS in French, signed “Nadar,” one page, 5.25 x 8.5, personal letterhead, circa 1870s. Letter in French to Auguste Vacquerie. In part (translated): “I am not pleased with your proofs I believe they should be done over.” Central vertical and horizontal folds and overall creases, otherwise fine condition. RR Auction COA.