Diameter 10cm, height 7.5cm. Comes with a wooden box, unused but has been stored for a long time. Koheigama (1804 - ) A prestigious kiln that served the Edo Castle. They researched a wide range of techniques and are known for their elegant works, such as Persian pottery. The successive heads of the family have had illustrious careers, including being designated as Living National Treasures and receiving awards at the Nitten Exhibition.