Gu-type vase in cloisonné enamel on copper, China, 19th century Square in cross-section, each face and corner features crenellated ridges in relief. The central bulge, foot and flared neck are adorned with an archaizing decoration of various taotie masks and leiwen friezes in polychrome enamel on a turquoise-blue ground. The interior is enameled in blue. Height: 29 cm Roughly soldered tin base. Accents and missing enamel.