Gustav: 
 
Lovely sikin! The folding of the blade is well shown and I like the pattern. As far as widening of the blade towards the tip, I have not seen this before. In my experience, the edge and spine are remarkably parallel until the edge curves to the tip. Others with more experience may have seen a similar blade. 
 
Ian.
		 
		
		
		
		
		
		
		
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