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

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

Guan ware: dark gray stoneware with celadon glaze

Ru ware: light gray stoneware body with pale bluishceladon glaze over molded (or carved?) decoration. 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

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

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

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

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

Guan ware: dark gray stoneware body with a misfired or degraded bluish green celadon glaze on the interior and with lightly crackled, grayish green celadon glaze on the exterior. 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