Jade spearhead

[Jade spear head]

Jade spear head, Shang, 12.8 cm long, 4.1 cm wide and 0.4 cm thick
The jade has become gray. There is a hole near the bottom. The whole apparatus is flat and flaky with irregular shoulders. The spear is ridged in the middle and has sharp edges on both sides
Jade spear is a ritual weapon of stone spear, not a practical weapon, but a ritual weapon