Founder of the Wrigley chewing gum company (1861–1932), he also held interests in hotels, mines, and the Chicago Cubs baseball team. TLS signed “Wm. Wrigley, Jr.,” one page, 8 x 10, personal letterhead, July 15, 1929. Letter to an admirer. In full: “Mr. Wrigley is in receipt of yours of July 1st, and is pleased to comply with your request for his autograph by affixing his signature hereto.” In fine condition, with light toning working in from the borders, scattered soiling, some show-through from mounting remnants on reverse, and a newspaper photo of Wrigley affixed to the bottom, which could easily be matted out for clean display. RRAuction COA.