Signed “TENBUNJI 23 (1554)
Height 30.8 cm, mouth diameter 15.1 cm, body diameter 28.2 cm, bottom diameter 17.1 cm
The oral cavity is slightly inclined inward, and the width of the jade rim is narrow and shows a tendency toward degeneration.
It is made of dense clay mixed with rice paddy soil and wheel-thrown by water grinding, and is valuable as a reference material from the middle of the 16th century. The body bears an engraved inscription in thick cursive on the body: “Koutora, 7th month, auspicious day in the year of Tenmon Hatsu 3” and “Ibe Kimura Jiroemon”. The vessel has a well-fired, smooth blackish-brown skin with a thick layer of dark green natural glaze on the shoulder and running down part of the body.