Sherd: Square Fragment from the Wall of a Circular Vessel

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

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

Celadon ware: light gray stoneware body with bluish celadon glaze. Possibly from Henan or Shaanxi 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 lustrous, lightly crackled, bluish green celadon glaze. 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

Guan ware: dark gray stoneware body with a misfired or degraded grayish green celadon glaze. From the Guan kilns near Hangzhou, Zhejiang province

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

Guan ware: dark gray stoneware with celadon glaze

Longquan celadon ware: pale gray stoneware body with a lustrous, 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