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

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

Guan ware: dark gray stoneware with lightly crackled, light grayish blue glaze on the exterior and with thinly applied, crackled, pale blusih gray glaze on the interior. From the guan kilns near Hangzhou, Zhejiang province.

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

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

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

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

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

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

Lonquan celedaon ware: pale gray stoneware body with an extensively crackled, grayish green celadon glaze over molded decor. From the Longquan kilns in Zhejiang 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

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