A detailed guide map of the 1970 Osaka Expo is printed on it. It was stored in a paulownia chest, so there are fold lines and some discoloration. A certificate is attached, so it has not been washed. - Event Name: Japan World Exposition - Year Held: 1970 - Location: Osaka - Map Type: Guide Map - Theme: Progress and Harmony - Number of National Flags: Multinational Size: 41 x 41 cm Material: Only able to determine that it is not cotton.