Western Zhou Dynasty (1027 – 771 B.C.)
with smoothly polished sides tapering slightly toward the outer rim, the wide central aperture cut from one side, the jade of translucent yellowish tone with gray and brown mottling, showing remains of earth and cinnabar.
Diameter 4 1⁄2 inches (11.5 cm)
Compare the slightly larger plain jade bi of similar form in the National Palace Museum, Taipei illustrated in Gugong huanxing yuqi tezhan tulu (A Catalogue of the National Palace Museum’s Special Exhibition of Circular Jade), Taipei, 1995, pp. 84-85, no. 45, described as Western Zhou.
西周 玉璧 徑 11.5 厘米
Western Zhou Dynasty (1027 – 771 B.C.)
Diameter 4 1⁄2 inches (11.5 cm)