This is a well-bowl (Ido-chawan) made by Princess Masako (Bangja Lee, formerly Princess Masako Nashimoto), the last Crown Princess of the Joseon Dynasty. Princess Masako was a member of the Japanese Imperial family, from the Nashimoto-no-miya family, and married the last Crown Prince of the Joseon Dynasty. After the war, she lived in South Korea and raised funds for the construction of welfare facilities by selling her works of cloisonné and pottery, which were her hobbies, in Japan. This well-bowl is one of Princess Bangja's works, sold in Japan for such purposes. This is a valuable tea bowl that testifies to the history of modern times. - In like-new condition. - Signed by hand on the side of the foot. - The original box is inscribed by hand with "Korean-made tea bowl, Rakuzensai, Masako Lee." Rakuzensai was the name of Princess Bangja's home. - Inside diameter: approximately 13 cm, height: approximately 7.5 cm - Comes with the original box and cloth. There is a small chip on the original box, which is shown in the last photo. The price has been reduced due to the chip on the box.