齊家文化玉琮, H. 9.5cm, W. 8cm, 883grams
The plane of each side merges the round part of the center cylinder without clear boundaries like the congs of other cultures. Similar items are seen in the National Palace Museum. Antiquity evidence includes differential weathering, cleaving veins, and dissolved pits.
- quality of jade: 7
- rareness: 8
- historical and cultural significance: 7
- workmanship: 9
- condition: 10