This is a very stylish rock glass made of color-layered glass, a traditional technique that captivates with its dreamlike beauty. It is a Satsuma Kiriko glass, a technique said to have been created in the Satsuma domain during the late Edo period. It involves layering colored glass over clear glass and applying patterns through cutting. It is a masterpiece created with advanced techniques and careful finishing, exuding a sense of luxury. "Shiseigen" is a brand or artist name that produces and sells Kiriko glasses (Gen is Taro Minamoto). 《Size》 (It's a rock glass, so it's quite large) Diameter: Approximately 8cm Height: Approximately 9cm ♦ Note: I believe my mother wrote "glass cup" on the paulownia wood box with a marker. Therefore, it is priced lower, so please consider this before purchasing.