Sherd: Fragment of a Bowl (?) with Russet Mottles

Low-fired gray earthenware blackened with a thin layer of black wash

Longquan celadon ware: light gray stoneware body with oxidized (i.e., brownish) celadon glaze. From the Longquan kilns, Zhejiang province

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

Blackened gray earthenware

Blackened gray earthenware

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

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

Gray earthenware

Blackened buff and gray earthenware

Low-fired gray earthenware

Gray earthenware

Blackened gray earthenware