c. 1930s. 10x13.5” cardboard folder w/red and white cover design has colorful punch-out assembly parts on inner two panels. Cover features image of this model, an Empire British Flying Boat plus smaller images of the three others from the set available “Free with Purchase Of Two Packets Of Kellogg’s Corn Flakes”. Other models are French Caudron Renault Racer, U.S. Stinson Reliant, Russian Racing Monoplane. Unpunched file copy has some loose perforations, but all is intact. Lt. aging and dust soil. Still Exc. From the archives of premium creators Sam & Gordon Gold accompanied by a letter to that effect from Gordon Gold.