Specialty. Kogatatsuki tea caddy, Koseido. It is said to have originally belonged to Shao’ogaku, who used it as a lunch box on a tea shelf. It was later passed down to Kobori Enshu, then to Hori Koshikibu, then to Matsudaira Bizen-no-Mamoru, and finally to Matsudaira Mutsu-no-Mamoru, lord of the Sendai domain, through Bizen-no-Mamoru’s descendant Danjo. (Taisho Meikikan).