This is an Arita-yaki porcelain plate, a controlled ware piece, stamped with the mark "有６６" (Ari 66). The plate is molded with a relief design of a persimmon tree. Diameter: 18.2-18.6 cm Height: 3.3-3.8 cm There are some scratches from use, but no chips, cracks, or hairlines. If you are interested and can accept minor imperfections, please consider purchasing.