Hi harry: 
 
I agree with Ariel. These are of recent manufacture and aimed at the foreign market. The blades are very disappointing although the fittings clean up reasonably well. I have a couple that I picked up in Tblisi about 15-20 years ago for a few dollars each, and you can find them regularly on eBay. 
 
Ian.
		 
		
		
		
		
		
		
		
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