Autograph Letter Signed ‘Mary Adelaide’, to Mrs. Broughton, referring to the “fearfully busy time” of Christmas and the New Year, explaining that their travels prevent her and her daughter Mary from attending Mrs. Broughton’s dance, adding that Algy “will be much too shy to go alone”. 4 pp. 6 x 4 inches, embossed monogram, light toning, in good condition, minor wear only. White Lodge, Richmond Park, 4 January 1886. Princess Mary Adelaide (1833-97), Duchess of Teck, mother of Queen Mary, consort of George V. Mary Adelaide was the youngest of the three children of the seventh son of George III, Adolphus Frederick, Duke of Cambridge (1774–1850), and his wife, Princess Augusta (1797–1889).