Lillian Boyer Wing Walker Flying Circus Acrobat Signed Letterhead Trick Plane. Letterhead from Lillian Boyer, an early airplane stunt performer/ flyer. Has an embossed Biplane pictured on it. Signed “With Sincere and Flying Wishes, Miss Lillian Boyer, Sesquicentennial Centennial, Phila Pa, Oct 18th, 1926. She must have been a performer at the 1926 Sesquicentennial held in Philadelphia PA. Letterhead has some light discoloration, original folds, and the lower portion has some paper stuck to it. Great piece of history. Free shipping