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

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

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

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 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

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 with 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

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 matte-surfaced, bluish green celadon glaze. From the Longquan kilns in Zhejiang province

Longquan celadon ware: molded, pale gray stoneware with lightly crackled, transparent, bluish green celadon glaze. 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