Keywords: Ritual object (cong), China, probably Jiangsu or Zhejiang province, Neolithic period, Liangzhu culture, 3300-2000 BC, nephrite - Arthur M. Sackler Museum, Harvard University - DSC00793.jpg en Exhibit in the Arthur M Sackler Museum Harvard University Cambridge Massachusetts USA This artwork is in the public domain because the artist died more than 70 years ago 2015-04-11 10 49 30 own Daderot other versions PD-old-70 cc-zero Neolithic Chinese jade in the Arthur M Sackler Museum Liangzhu culture Cong jade |