Hello, 
Thank you for your message, 
 
I don't know if the hilt is made with an hippo teeth, 
but likely , the hilt shape stay cylindrical, not conical at all... 
 
could this item be called '' traditional money'' ( I translate litterally ) more than a weapon 
like large spears heads, often used in Central Africa as money exchange, gift for a wedding...
		 
		
		
		
		
		
		
		
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