Stoneware dish. 
 

Biography

Shimaoka Tatsuzo; (27 October 1919 – 11 December 2007) was a Japanese mingei inspired potter who studied under Shoji Hamada and later became the second Living National Treasure of Mashiko, Japan.
He was best known for his unique Jomon zogan style of pottery, and was a master of many slip decorating and firing techniques for pottery. Throughout his career, Shimaoka worked collaboratively with a group of workers, students, and apprentices from Japan and abroad.