Important cultural property. Specialty. Korean tea bowl, famous hand well. The name “Echigo-dono Ido” is written on the box, but the identity of the person is unknown. Later, it went through the Satsumaya Sobaku and the Mitsui family in Rokkaku, Kyoto, before joining the Iwasaki family after the Meiji Restoration. (Taisho Meikikan)