Sherd: Fragment from the Base and Side Wall of a Circular Dish with Flat Floor, Curving Side Wall, and Splayed Footring

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

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

Guan ware: molded dark gray stoneware with lightly crackled, light grayish blue glaze on the interior and with misfired (i.e. bubbled/cratered) light grayish blue glaze on the exterior. From the guan kilns near Hangzhou, Zhejiang province

Ru ware: light gray stoneware body with pale bluishceladon glaze over molded (or carved?) decoration. From the Ru kilns, Henan 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 celadon glaze. Probably from the Ru kilns, Henan province

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