This is an old teacup from Taiwan. It's a ceramic bowl, approximately 16 centimeters in diameter, and has a bit of weight to it. In the center of the inside, there's a design that looks like a star or a flower, with the character "福" (fuku - good fortune/happiness) inside. It seems this type of bowl was commonly used in homes in the past. Similar bowls were displayed in the section showcasing the old Taiwanese lifestyle at the Yingge Ceramics Museum. Size: Diameter: Approximately 16.3 cm Height: Approximately 5.7 cm This teacup is in beautiful condition with no noticeable damage. Please consider this an antique and a used item, and refrain from purchasing if you are overly concerned about its condition.