Autograph Note Signed “yours truly E,Coué” responding to a request for his autograph. In English. 3 x 5 inches, laid down, removed from an album, remains of tape where formerly mounted. Nancy, 9 April 1924. Émile Coué de la Châtaigneraie (1857 – 1926), French psychologist and pharmacist who introduced a popular method of psychotherapy and self-improvement based on optimistic autosuggestion.