Take a look at this article:
Hmm, maybe that is why I was able to avoid getting eaten when I was there in 1995. :-)
By the way, I am quite sure that the mummy in the photo in this article is the same one that I have 3 photos of in my West Papua New Guinea (Irian Jaya) gallery on my website:
It was at a small village in the Baliem Valley and they said it was the 500 year old headman of the village.
I also have a detailed trip report in the Travel Reports section on my website.