Uncommon pairing of softcover and hardcover catalogs for the record-breaking "Dresses from the Collection of Diana, Princess of Wales" auction held at Christie's of New York on June 25, 1997. The softcover copy measures 8.25 x 11.75 and consists of 212 pages, whereas the hardcover copy, with dust jacket included, measures 12 x 17 and consists of 204 pages; both include their original absentee bid forms and feature numerous gorgeous images of Diana's 79 auctioned dresses. In overall fine condition, with some wear to hard cover dust jacket.