For exclusive use. Diameter: 6.5 cm Height: Approximately 6 cm Marked "Boshan, China." As shown in the third image, there are manufacturing marks such as glaze on the foot. This item was stored since around the Showa era. Silver speckles appear depending on the light. Slightly larger than a sake cup. These are oil-drop temmoku style, small teacups, a set of 12. No box; will be shipped in a separate box. Suitable for use as a sake cup, tea cup, or small tea bowl. Only for those who understand and appreciate old items.