Poset Yeonhui is a stationery shop on the third floor of Yeonhui Building in Yeonhui-dong, Seodaemun-gu, Seoul, where visitors choose letters and postcards. It displays products from photographers, print and drawing artists, and design shops by artist, alongside overseas brands. A special exhibition runs along the edge of the space, and a separate spot is set aside for writing postcards. Each artist's cards carry their own characters and messages.