This is an antique ceramic plate that was stored in the back of the storehouse. A red kiln mark was confirmed on the bottom. Diameter: Approximately 19.5cm, Height: Approximately 12.5cm Important Notes: * The entire item was cleaned before listing. * There is no box. It will be packaged with bubble wrap and shipped via anonymous Mercari delivery. * Returns are not accepted after purchase, so please check the photos for any concerns or ask questions in the comments before purchasing. I will answer as best as I can. Please understand that this is a used item and has been stored in a warehouse before considering a purchase.