The four most famous. This tea caddy was made in the Han style. This tea caddy was owned by Aoki Gyobu Houin Joken, hence the name. It is known for its unique characteristics as a Han style piece, such as the curious distortion of the mouth structure and the interesting scenery of the slightly reddish flying patterns on the overall blue glaze. It was once owned by Mori Mimasamori Tadamasa, but was returned to the Tokugawa Shogunate. 1657 saw a major fire in Edo, but fortunately it was not seriously damaged and was repaired with lacquer. (It was later handed down to the Sakai family in Himeji.)