Hi longfellow! 
 
Cool swords, I especially like the yataghan! If you could post some close-ups of the hilt - particularly from the pommel-end - I might be able to tell you the material it was carved from. From the photo's already posted above, I think it could  be rhino horn. 
 
Thanks for sharing them! 
 
 
Have a great weekend, - Thor
		 
		
		
		
		
		
		
		
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