This is a Perry Key sticker, a special admission bonus from the Ryuji Akiyama-produced Creators' File Heartburn Grand Exhibition held in Shinsaibashi, Osaka. This set also includes a Shinsaibashi-limited sticker, a folding fan as a purchase bonus, and a pamphlet – a total of four items! All items were acquired without any packaging, but have been stored with care. However, please refrain from purchasing if you are overly concerned about minor imperfections due to personal storage. Please feel free to ask if you have any questions!