Tea bowl with 'tortoiseshell' glaze; Tea bowl made of stoneware; partly covered with a black-brown glaze with cream colored spots on the outside (tortoiseshell). A recessed flower on the bottom; the inner wall with twice a feng huang and twice a butterfly. The wall has been broken. Jizhou.; anonymous; China; c. 960 - c. 1279; Song-dynasty (960-1279); stoneware; glaze; vitrification; h 6.5 cm d 13 cm d 4.5 cm