This large dish was warped during firing. The central medallion contains a single fish painted in underglazed brown iron-oxide.A wide range of glazed ware were made at the Sukhothai kilns including plates, bowls, jars, bottles, covered boxes as well as architectural fixtures. In general, the wares were decorated in underglaze brown on a heavy cream-white slip covered with a clear, milky or slightly greenish glaze.The royal cities of Sukhothai and Si Satchanalai in north-central Thailand were at the heart of one of the largest ceramic-producing centres in Southeast Asia during the 14th century. Si Satchanalai was later renamed Sawankhalok, and this name was often used to refer to ceramics that originated from either of these two areas.