This appears to be a Koha Tenmoku tea bowl. It has been stored at home for a long time. There are no noticeable scratches or stains, but it is not new. The leaf pattern is beautifully displayed. The artist's name is unknown. There is no accompanying box. Please check the size in the photos. (The following is an AI appraisal) The work in the image is made using a technique called "Koha Tenmoku" (leaf Tenmoku), in which a real leaf is baked onto the inside of a tea bowl coated with a black glaze (Tenmoku glaze). Features of Koha Tenmoku: Production method: A single real leaf (mainly a mulberry leaf) is placed on the inside of the tea bowl and baked, fixing the veins and shape in a golden brown color. Origin: It originated in the Jizhou kiln during the Song Dynasty in China. Meaning: As the saying goes, "Mulberry leaves are connected to Zen," it has long been associated with the spirit of Zen. As there is no box, it is being offered at a very reasonable price, so please refrain from price reductions except for multiple purchases.