Keywords: Turquoise-Inlaid Plaque with Stylized Animal-Mask Decoration and Elongated Extension, 1900-1350 BC, Neolithic to Shang period, Erlitou culture, China, bronze with turquoise inlay - Sackler Museum - DSC02630.JPG Exhibit in the Sackler Museum Harvard University Cambridge Massachusetts USA The museum permitted photography of this artwork without restriction This artwork is in the public domain because the artist died more than 70 years ago Daderot 2012-11-17 12 50 46 Daderot cc0 cc0 Chinese metalwork in the Sackler Museum Erlitou culture |