Carved with yellow tone jade, this Qijia Culture object has the form of knife with trapezoid shape handle with an unit directional drilling hole between the handle and the blade which has one side sharp one side blunt. Antiquity evidences include diffusive markings and exposed crystal plane.
- quality of jade: 9
- rareness: 9
- historical and cultural significance: 9
- workmanship: 10
- condition: 10