Diana, Princess of Wales (1961-97, the pre-eminent female celebrity of her generation), lovely signature 'Diana' on 3-page letter on 'Kensington Palace' letterhead with 'Crowned Cd' monogram, dated October 26th 1987, to John Gairdner, mentioning he is no longer at Charles Jourdan (French fashion designer known best for his designs of women's shoes), with original envelope