Indian Ceremonial Brass/Bronze Spear head ??

[katana]

Found this very poor picture, but has a very similar design (overall) .... A spear head from Mindanao, Philippines


"....The ornaments on the Mindanao spear are of the mythical rooster-like bird the Sarimanok. This bird is often associated with the local concept that the human soul is transformed into a beautiful bird, the Sarinamok, at death.

In both cases, I believe the ornamentation, which serves no real practical purpose, represents the opening of the Underworld often thought of as the gaping mouth of a reptilian or bird-like creature......."