Popular stamps from the Japan Pavilion! Set of 2. I am selling the very popular stamps from the Osaka-Kansai Expo. They are label stickers, so you can stick them neatly in your stamp passport. Please understand that they have been stored at home. [Product Details] Osaka-Kansai Expo Japan Pavilion Label Stickers: 2 Japan Pavilion Pamphlet Martian Rock Viewing Certificate Discounts are possible. Please feel free to comment.