Filipino headhunters axe, Ifugao, Kalinga or Bontoc

This is an old primitive Filipino headhunter's axe from the Philippines. The Ifugaos, Kalinga and Bontoc all used this type of axe.

It has obvious signs of many years of use. (maybe for other purposes)

The handle is 17 inches long and the blade is 7 inches at the top.