A Chinese Cizhou tortoiseshell-glazed tea bowl, Song dynasty, thickly potted with rounded conical sides and covered overall with a dark brown and translucent amber glaze over a medium-brown slip-glaze, all above a flat-bottomed, light grey ring foot, 11.5cm diameter  宋 吉州窯玳瑁釉斂口盞Condition Report: 品項報告Surface wear; V-shaped restored section to the rim, approx. 5.5cm wide, firing flaw to the base.