notched ring, green river jade, 雙尖玉環，新石器時代早期， Early Neolithic period, Mongolian Culture, 4.6 cm
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.