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. TLS, one page, 6.25 x 8.25, February 10, 1956. Letter in response to a telegram sent to Kelly about the possibilities of her appearing in a play. In full, “I hope you will excuse my very tardy reply to your nice wire concerning the play ‘Small War on Manhattan.’ I was intrigued and delighted with the part of Mrs. Murray as well as with the play itself. Because of my wedding plans for April, I have had to abandon any thoughts of doing a play next season.” Accompanied by the original telegram sent to Kelly and a Letter of Authenticity from PSA/DNA. In fine condition. R&R COA.