Founder of the Wrigley chewing gum company (1861-1932), he also held interests in hotels, mines, and the Chicago Cubs baseball team. Vintage ink signature, "Wm. Wrigley, Jr., Chicago, May 7, 1931,” on an off-white 7 x 2.25 sheet. In fine condition, with some light toning. Encapsulated in a PSA/DNA authentication holder.
