An archaic celadon jade 'bird' pendant, Western Zhou dynasty | 西周 玉鳥紋飾

See two similarly decorated pendants, the first, excavated from the burial site of State Yan at Liulihe, Fangshan, Beijing, and illustrated in Gu Fang, Zhongguo chutu yuqi quanji / The Complete Collection of Jades Unearthed in China, vol. 1 Beijing, Tianjin, Hebei, Beijing, 2005, pl. 17; the second, in the Kwan Collection and illustrated in Yang Boda, Chinese Archaic Jades from the Kwan Collection, Art Gallery, Chinese University of Hong Kong, Hong Kong, 1994, cat. no. 128.