This teacup is a Kyo-yaki Ninsei Hyakuju chawan. It is a work by Mr. Kato Ryuzan. "Hyakuju" (Hundred Longevities) is an auspicious pattern that depicts the character "寿" (longevity) in one hundred different calligraphic styles. It is often used as a matcha tea bowl, and you can enjoy not only the taste of the tea but also appreciate the design. It has a gold rim. The teacup is approximately 12 cm in diameter and 8 cm in height. It has been stored at home for a long time.