This bulbous jar has a short, narrow neck with an everted rim and a raised foot. The shoulder has a band of carved indentations. The jar is covered in a greyish-green glaze that is heavily crackled in dark brown. The glaze ends above the footrim in heavy congealed drips.Celadon was one of the main products of the Sawankhalok kilns that was exported in large quantities. Celadon is a French term taken from the character of a shepherd in a 17th century play, who wore a green costume. The term refers to green-glazed wares, where naturally occurring iron oxide reacts to the lack of oxygen during firing in the glaze by turning green. Green-glazed wares in Thailand were probably introduced from China during the early 14th century.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.