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					Originally Posted by Robert
					
				 ... My next project will be trying to find someone who can identify what animal the bone being used as a guard was originally from. I have now had two individuals suggest that there is a good chance that it could be human. ... | 
	
 From the shape of it, being somewhat triangular, it could be a human tibia. That was my first impression. The Ilongot were noted headhunters, a habit persisting well into the 20th C.