Forgive me, for i am an ignaro. Do i see any relation between these three and  the knife questioned by  Eftihis , plus all that was shown  and said in the periphery? 
The top one is surely brazilian, as it holds the sellers name and adress. 
The center one, with a scabbard like the one in Oriental Arms, has a blade engraving " ENFIN " ( french for "at last" ), which diverts my guessing on its origin. 
The bottom one, with a hilt mount again similar to the one pictured and described in Oriental Arms, is also a mistery for me. 
I hope to learn  further data  on them, at following this thread. 
Thanks 
fernando
		 
		
		
		
			
		
		
		
		
		
		
		
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