Jerome Museum Institute of Asian Arts

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)

 notched ring, green river jade, 雙尖玉環，新石器時代早期， Early Neolithic period, Mongolian Culture, 4.6 cm Except where otherwise noted, content on this site is licensed under a Creative Commons Attribution 4.0 International license.

 Xinglongwa Culture, 興隆窪, 玉玦, penannular ring, green river jade, Early Neolithic period, 3.4 cm (click to view details) 3.4 cm (click to view details) Except where otherwise noted, content on this site is licensed under a Creative Commons Attribution 4.0 International license.