This item is a pin badge (can badge) from "Hentai Yoiko." It was an item from the event "Hentai Yoiko Hakuchu Dodo Himitsu no Dai-Shukai" presented by Shigesato Itoi, held at the Shinagawa Prince Hotel in 1982, as part of the magazine "Bikkuri House." Performers: Kiyoshiro Imawano, Ryuichi Sakamoto, Akiko Yano, Keiichi Suzuki, Yosui Inoue, Reichi Nakaido, etc. Size: Approximately 5cm in diameter. Notes: There is rust and dirt due to aging. There is a risk of color fading, so the dirt has been left as is. Images other than the pin badge are for reference. We are unable to offer discounts.