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

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 lightly crackled celadon glaze. From the Longquan kilns, Zhejiang province

Longquan celadon ware: light gray stoneware body with matte celadon glaze. From Longquan kilns, 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

Lonquan celedaon ware: pale gray stoneware body with an extensively crackled, grayish green celadon glaze over molded decor. From the Longquan kilns in Zhejiang province

Longquan celadon ware: molded, pale gray stoneware with lightly crackled, 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.

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

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 with lightly crackled, light grayish blue glaze. From the guan kilns near Hangzhou, Zhejiang province

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

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