This is a Katakuchi sake set from Isshin Kiln, Hasami-yaki. It's a Katakuchi sake server and ochoko (sake cups) with a lovely wave pattern. The ochoko are very easy to hold. Katakuchi Sake Server Top Diameter: 7.7cm, Height: 12cm Ochoko Top Diameter: 6.8cm, Height: 7.3cm Although unused, it has been stored at my parents' house in a display case. I believe it is a valuable item due to its age. We appreciate your understanding and look forward to your purchase. Sake ware... Tokkuri (sake bottle), Ochoko (sake cup) 【High-Quality Ceramic】 This tokkuri and ochoko set is made of durable ceramic material, suitable for everyday use and special occasions. 【Beautiful Design】 It features a hand-painted blue and white pattern, which is visually appealing. You can enjoy a Japanese atmosphere. 【Ease of Use】 The tokkuri has an easy-to-hold shape and is designed for easy pouring. The ochoko is also stable and easy to drink from. - Type: Tokkuri and Ochoko Set - Material: Ceramic - Color: Blue and White Decoration - Design: Hand-painted pattern - Size: Ochoko height approx. 7cm, Tokkuri height approx. 12cm