Politician (1815–1882) who served in Abraham Lincoln’s cabinet as postmaster general. Partly-printed DS, signed “W. Dennison Jr.,” one page, 10.25 x 8.5, May 9, 1857. Handsomely engraved stock certificate for 40 shares of the Columbus & Xenia Rail Road Company, issued to Theodore B. Bronson. Signed at the conclusion by Dennison as the company’s president and countersigned by the treasurer, Cyrus Fay. Three vertical storage folds (one passing through the suffix in the signature) and large central cancellation stamps and notations, otherwise fine condition. RR Auction COA.