American School of Aviation Paper Lot - 1925

Promotional material from the American School of Aviation, Chicago, Illinois, 1925.  Includes a membership card (2.5x3.5") made out to Robert Kerr, small return envelope, money back guarantee bond (8.5x11"), enrollment application w/discount rates (8.5x11"), $55 discount coupon (7.5"w x 3.5" h), 4-page introductory letter (8.5x11") and a 2-page letter enclosing the 7th assignment (not present).  All in good or better condition.  A great peek at flight school advertising in the Golden Age of Flight.