Akahada-yaki, made by Gyokusen Oshio. This is a formal style of the Yamamura school. The bottom is marked with "Yamamura Goten" and "Gyokusen." There is a chip on the mouth. As it is less noticeable on the back, it would be good for practicing flower arrangement at home. See pics 3.8-11 for the chipped area. See pics 13.14 for the size. Thank you for viewing.