These are KINTO plates. Product details can be found here: https://kinto.co.jp/collections/ceramic-lab/products/29537 This is a set of two. Retail price is 2640 yen. Shipping will be via Rakuraku Mercari. I have other items from the same series for sale, so please take a look: https://jp.mercari.com/user/profile/602467904?status=on_sale