Sherd: Triangular Fragment from the Mouth of a Cylindrical 'Zun'-Shaped Censer with Horizontal Ribs

Dark gray stoneware with underfired glaze

Longquan celadon ware: light gray stoneware body with grayish celadon glaze over carved decoration. From the Longquan kilns, Zhejiang province

Longquan celadon ware: light gray stoneware body with bluish celadon glaze. From the Longquan kilns, Zhejiang province

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

Longquan celadon ware: pale gray stoneware with lustrous, lightly crackled, transparent, 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

Longquan celadon ware: light gray stoneware body with bluish celadon glaze over carved decoration. From the Longquan kilns, 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

Longquan celadon ware: light gray stoneware body with dark greenish gray celadon glaze over carved (or molded?) decoration. From the Longquan kilns, Zhejiang province

Guan ware: dark gray stoneware body with a lightly crackled, bluish green celadon glaze. 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

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.