A JADE BI DISC, EASTERN ZHOU TO WESTERN HANJade. China, Late Eastern Zhou – Early Western Han, 4th-3rd century BCThe jade of a deep celadon color with white inclusions, incised on both sides with a simple cloud-like scroll pattern, except for a small concentric section towards the central hole of the disc.Similar bi have been found in the tombs of the kings of Zhong Shan Guo, published in Yang Boda, Chinese archaic jades from the Kwan collection, The Chinese University of Hong Kong, Hong Kong 1994 and in the tomb of the second kind of Nanyue, Zhao Mo in Guangzhou, Guangdong province. Another similar bi is published in Collector’s Exhibition of Archaic Chinese Jades, National Palace Museum, Taipei 1995. Another similar bi is published in Loehr, Max, and Huber, Louisa G. Fitzgerald, Ancient Chinese jades from the Grenville L. Winthrop collection in the Fogg Art Museum, Harvard University, Fogg Art Museum (Cambridge, MA) 1975.DIAMETER 11.4 cmProvenance: Private Collection of Irene and Wolfgang Zacke (1942-2022).