Hi Marcus, 
I also have one of these, though not from Artzi. In my experience this style has always been referred to as a "Zanzibari Nimcha" though I have seen no conclusive evidence that they were actually made there. Like many Middle Eastern swords, the ACTUAL place of origin is often in doubt. 
I should also add that the quality of these always appears to be quite good, though on looking thru the links you provide, I notice that some of the hilts are what I would describe as of "Tribal manufacture". 
I have attached a couple of pics of mine, one of good quality like yours and the others showing what I call "Tribal" hilts. 
Regards Stuart
		 
		
		
		
			
		
		
		
		
		
		
		
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