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

Longquan celadon ware: 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, pale blusih gray glaze on the interior. From the guan kilns near Hangzhou, 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 cloudy, lustrous celadon glaze. From the Longquan kilns, 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 with light grayish blue glaze. From the guan kilns near Hangzhou, Zhejiang province

Jizhou ware: light gray stoneware with decoration painted in iron-brown slip under thinly applied, clear glaze. From the Jizhou kilns near Yonghe, Ji'an, Jiangxi province

Longquan celadon ware: near white body with cloudy celadon glaze and characteristic orange skin on the exposed body clay at the foot ring. From the Longquan kilns, 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 body with a lightly crackled, grayish blue celadon glaze. From the Guan kilns near Hangzhou, Zhejiang 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