Jar with incised decoration, Trần dynasty, 13th-14th century, Vietnam, Hải Dương province, Red River Delta kilns. Stoneware with translucent greenish-yellow and iron glazes. H: 15 cm (5 7/8 in). Purchase — funds provided by the Docents of the Freer Gallery of Art and Arthur M. Sackler Gallery, Freer Gallery of Art, F1998.10 © 2017 Smithsonian Institution

Jars of this type have been excavated from the fifteenth-century layer of the Ba Đình citadel site in central Hanoi. Their use (suggested by two holes drilled in the shoulder) is not yet understood.