Satsuma ware I believe this piece is over 20 years old. Diameter: Approximately 18cm Height: Approximately 3cm Weight: 328g A heavy, substantial plate. The main body of the plate has a matte finish, while the rim has a glossy finish. I apologize, but I do not remember which kiln I purchased it from. I am selling a used item, and I appreciate your understanding of home storage. I look forward to your purchase. I will carefully package the item and ship it via Yuu Yuu Mercari delivery.