Product Name: Water Cooling Bowl / Katakuchi Bowl Material: Ceramic Size: Outer diameter approx. 12cm, height approx. 5.5cm My father, who loved pottery and tea, acquired these from acquaintances, friends, and artists. He said that his collection included some very old pieces and works by famous artists, but now it's impossible to tell which ones are, or even if it's true. There are no original boxes or artist's cards. Please examine the images and make your own judgment and take responsibility for the value of the items. These items have been stored by a non-professional for a long time. Thank you for your understanding. - Items will be packaged in a simple, recycled manner. - Returns are not accepted to prevent any issues.