Autograph Letter Signed ‘Henry Warburton’, to “My dear Sir” [Benjamin Hawes], postponing a meeting of the Commission, probably the Commission for postal reform set up by Parliament. 1 page 7 x 4½ inches, in good condition, integral blank leaf. H of C [House of Commons], 12 February 1840. Henry Warburton (1784-1858), philosophical radical politician, active in the Anti-Corn Law League, second to Rowland Hill alone in his support of penny postage in the House of Commons select committee. “The Committee on Hansards’ case being appointed to meet tomorrow, I am obliged to postpone the meeting of the Commission, until Saturday at one o’clock.” This letter was found among the correspondence of Sir Benjamin Hawes (1797-1862), Whig politician, the brother-in-law of Isambard Kingdom Brunel. Hawes was an advocate of the repeal of the Corn Laws, and also worked on behalf of the penny postage system.