14th century
Height 4.5 cm, mouth diameter 2.8 cm, 4.6 cm, bottom diameter 2.6 cm
 This is not a typical example, but it was probably made as a tea container. This form was fired in kilns from the end of the 14th century to the middle of the 15th century. It is covered with Kosedo glaze on grandmother baiko clay, but the ash has made the axis somewhat uneven.