^Lot 280 American Eagle Aircraft Corp. & Pittsburgh Screw &

DE, PA. 1920-1940's. 2 different proof certificates. Both have vignette, title and text but are missing border. Both are proofs from the Republic BNCo. And very rare. Printed on white paper, uniface with purple "cancelled" handstamps referring to the cancellation of the printing plates. 1) American Eagle Aircraft Corp of Delaware. Odd shs, Common Stock. Eagle vignette. In 1930, American Eagle Aircraft was the holding company for the following campanies: Crescent Propeller Co.; Lincoln Aircraft Co Inc.; Porterfield Aviation Interests Inc.; Porterfield Flying School Corp. and Walace Aircraft Inc. 2) Pittsburgh Screw and Bolt Corp. PA. Odd shs, Capital Stock. Globe with bolts on North and South Poles and airplane propeller profile in the middle. Rare aviaition proof certificates. RBNC. VG to VF.