Academy Award winning American film actress who, upon marriage to Rainier III, Prince of Monaco on April 19, 1956, became Her Serene Highness The Princess of Monaco. Stunning vintage glossy 5 x 7 photo of Kelly in an elegant gown, signed in fountain pen. In fine condition, with a few scattered light surface marks and a bit of creasing to lower right corner tip. PSA/DNA Auction LOA and R&R COA.