Autograph Letter Signed ‘Mary’, to Mrs. Cobham, Glastonbury, lamenting at length the death of her husband, the Duke of Gloucester 3 pp. 9 x 7 inches, folds, in good condition, address panel. 27 April 1835. Princess Mary (1776-1857), fourth daughter of King George III, married William Frederick, Duke of Gloucester (1776-1834). The Duke died on 30 November 1834.