?? ???, Grain Serving Vessel (Dui), Eastern Zhou dynasty (770?256 B.C.), ca. 5th century B.C., China, Bronze, H. 6 1/8 in. (15.6 cm); Diam. 6 3/4 in. (17.1 cm), Metalwork, This vessel?s deeply reserved ornamentation was meant to be filled with colore