Sherd: Triangular Fragment from the Base of a Large, Thick-Walled Vessel

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

Probably Ru ware: light gray stoneware body with pale bluish green celadon glaze over carved vertical rib. Probably from the Ru kilns, Henan province

Probably Ru ware: light gray stoneware body with pale bluish celadon glaze over carved decoration. Probably 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

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

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

Guan ware: dark gray stoneware with light grayish blue glaze. From the guan kilns near Hangzhou, Zhejiang province.

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

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

Guan ware: dark gray stoneware with light grayish blue glaze. From the guan kilns near Hangzhou, Zhejiang province

Guan ware: molded dark gray stoneware with misfired, or degraded, light grayish blue glaze. From the guan kilns near Hangzhou, Zhejiang province

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