square disc, 方形玉璧, owl mask, domino mask, eye mask, green river jade, Early Neolithic period, Mongolia Culture, 7.9 cm, (click to view details)
square disc, 方形玉璧, owl mask, domino mask, eye mask, green river jade, Early Neolithic period, Mongolia Culture, 7.9 cm, (click to view details) (Except where otherwise noted, content on this site is licensed under a Creative Commons Attribution 4.0 International license)