Sherd: Curved Fragment, from a Large, Thick-Walled Vessel

Guan ware: dark gray stoneware with celadon glaze

Longquan celadon ware: molded, pale gray stoneware with lightly crackled, bluish green celadon glaze. From the Longquan kilns in Zhejiang province

Ru ware: light gray stoneware body with pale bluishceladon glaze over molded (or carved?) decoration. From the Ru kilns, Henan 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 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 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 misfired, lustrous, crackled, olive green glaze. From the Longquan kilns in Zhejiang province

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

Possibly Ru ware: light gray stoneware body with bluish celadon glaze. Possibly from the Ru kilns, Henan 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. From the guan kilns near Hangzhou, Zhejiang province.