under the following license: English Bi, Chinese jade, late Neolithic, Shang period ( 2000-1200 BC ), North-West of China. Room 33b, British Museum. object
license: English Cong, Chinese jade from the late Neolithic period ( 2000-1200 BC ), from the Shaanxi province, North-West of China. British Museum, room
license: English Cong, Chinese jade from the late Neolithic period ( 2000-1200 BC ), from the Shaanxi province, North-West of China. British Museum, room