British statesman (1809–1898) who served as prime minister on four separate occasions between 1868 and 1894. ALS signed 'W. Gladstone,' one page, 3 x 4.75, May 3, 1891. Brief letter regarding an invitation. In part: 'I thank you for the kind invitation conveyed in your letter. Unhappily my engagements at this time are done.' In fine condition, with corner creasing and a pencil collector notation . RRAuction COA.