This item was likely made as a teacup or cup, but I hope you will enjoy using it as a large sake cup. It has wear, scratches, and kiln marks consistent with its age, but there are no significant major flaws. I believe it is from the Showa era. Diameter: Approximately 8.2cm Height: Approximately 5.7cm There is a brown glaze pooling on the rim. The actual color may differ slightly from the images. The size includes some error as indicated. It is an old item, so it has age-related wear and dirt. Please examine the description and images carefully before purchasing.