It appears to be Arita-yaki (Arita porcelain). A set of 5 white swan-shaped ceramic plates, with an elegant design to brighten up your dining table. These were found while organizing the house of a friend who moved. I don't know the details, such as when or where they were purchased. They have been washed before being listed. I am a private seller, so there may be some overlooked dirt. Please refer to the images for the size. (There may be some slight errors) I am also listing many other items. (Please note that I may not be able to combine shipping due to shipping and packaging constraints.) Thank you for looking.