(Aeronautical) Williams & Young, The Worlds Greatest Aeronauts. Beautiful blue illustrated ad showing Balloon with Parachuter below and "The Most Marvelous and Dareing Feat Ever Performed by Humane Being", on unsealed 1891 cover bearing 1¢ blue (219), s.e. at bottom, tied by "Chicago" third class grid cancel to the Secretary of Fair in Belleville, Canada at the 1¢ printed matter rate, Very Fine and attractive, a rare design.
Estimate; $250 - 350. Est. $250-350 (Image)

Est. $250-350