Bi is one of the ritual jade in ancient China. This Hongshan Culture collar bi is similar to the Shang Dynasty collar bi (D. 18.6cm, hole edge H.1.4cm, T. 0.4cm) unearthed in 1976 from Fuhow graveyard, A collection of Institute of Archaeology, Chinese Academy of Social Sciences, In general, bi is the ritual jade used to dedicated the heaven. The surface of this collar bi is plain, while the surface of the Shang Dynasty collar bi has circles of increasing size from the center hole towards the outer edge. The evidence of antiquity includes dissolved pits and additive crystal.
The collar bi of Hongshan Culture may be a simplified image of ancient flying saucer.
- quality of jade: 8
- rareness: 8
- historical and cultural significance: 9
- workmanship: 9
- condition: 10