This is one medium-sized plate from Maehata Toki, Kozan Gama. The mark is shown in photo 7, but it's a little difficult to see. I believe I purchased this item before, and this single plate, wrapped in thin paper, was found in the closet. Size: Approximately 18.5 x 12.7 x 3.5 (cm) This item has been stored for a long time. I would like to sell it to someone who doesn't mind the small details.