Romain de Tirtoff dit ERTÉ (1892-1990 )Isis - Restless sex, 1920Gouache and ink. Signature hidden in the lower right corner. Stamp of the studio. Dated, titled and numbered "323" on the back. (Minor fading). 24.5 x 16.5 cmProvenance : - Erté personal collection. - Serge Leeman collection, Erté's successor. - By descent. This is the costume of Isis for Le Bal des arts, an extended sequence of the American movie "Restless Sex", directed by Robert Zigler Leonard, released in 1920 . All his drawings for the film were sent on May 31, 1922 to Harper's Bazaar for a review.