EditorialJar with Cover, 1100s. China, Henan province, Yuxian, Northern Song dynasty (960-1127) or Jin dynasty (1115-1234). Porcelaneous stoneware with blue glaze and splashes of purple, Jun ware; diameter: 12.1 cm (4 3/4 in.); overall: 9.5 cm (3 3/4 in.).