Mmmm .. bizarre; i have never seen such thing. 
Say Thomas, are both ends of those studs "screwable" ... or riveted ? 
Are the blade and beak edges sharp ... or very sharp ? 
Any marks in the blade? 
Can we see a picture of the entire halberd head, including the whole spike and entire langets ?
		 
		
		
		
		
		
		
		
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