1939-1940 New York World's Fair Folder with the Trylon and Perisphere on the cover. Inside is an aerial drawing of the fairgrounds with "Main Exhibit area of the New York World's Fair from the air" written underneath. Fully open it has 3 black and white photos of buildings and 5 color drawings of buildings including the fireworks. Size: Closed: 3 7/8" wide by 8 15/16" high. Opens to: 11 1/2" wide by 17 3/4" high. Condition: Extremely Fine with a little bend at the top and slight edge wear.