Sakuma Shozan (佐久間勝山) The fourth generation of the Banko ware Matsuko kiln. Born in 1906, he passed away in 1998. He was taught pottery from a young age by his father, Sakuma Horin. He produced tea ceramics beloved by tea masters, including serving the 13th generation Omotesenke school head, Sokuchusai Soshu, and receiving the Matsubishi Matsuko seal from the 14th generation Urasenke school head, Tantansai Soshu. This is a preface from around the time of the headship of Hounsai Soshu. The pottery seal is "Matsuko" within a pine bark diamond. Size: Approximately 13.5 cm in diameter. Approximately 7.5 cm in height. Comes with a paulownia wood tomobako (storage box). Please consider this item as a used item. There is some evidence of use, but it appears to be in good condition with no cracks or chips. Please refer to the photos.