Sherd: Fragment from the Base of a Circular Dish with Flat Floor, Angled Walls, and Splayed Footring

Longquan celadon ware: pale gray stoneware body with a lustrous, bluish green celadon glaze. From the Longquan kilns in Zhejiang province

Guan ware: dark gray stoneware body with a lightly crackled, bluish green celadon glaze. From the Guan kilns near Hangzhou, Zhejiang province

Ru ware: light gray stoneware body with pale bluish celadon glaze. From the Ru kilns, Henan province

Longquan celadon ware: pale gray stoneware with lustrous, lightly crackled, transparent, bluish green celadon glaze. From the Longquan kilns in Zhejiang province

Ru ware: light gray stoneware body with pale bluish celadon glaze. From the Ru kilns, Henan province

Ru ware: light gray stoneware body with pale bluish celadon glaze, the glaze with white to buff cloudiness due either to under firing or to burial (in the waste heap at the kiln site). From the Ru kilns, Henan province

Yue ware: light gray stoneware with celadon glaze over incised and carved decoration

Longquan celadon ware: pale gray stoneware with misfired, lustrous, crackled, olive green glaze. From the Longquan kilns in Zhejiang province

Yue ware: light gray stoneware with celadon glaze over incised and carved decoration

Guan ware: dark gray stoneware body with a lightly crackled, grayish blue celadon glaze. From the Guan kilns near Hangzhou, Zhejiang province

Longquan celadon ware: molded, pale gray stoneware with lightly crackled, bluish green celadon glaze. From the Longquan kilns in Zhejiang province

Possibly Ru ware: light gray stoneware body with pale bluish celadon glaze. Possibly from the Ru kilns, Henan province