Thank you, Dom! 
I appreciate your help and I am very happy that I may contact people like you. 
Once again thank you very much for your reply and that you paid attantion to me. 
According to this I agree with David R who said that damaged, incomplete, and stripped weapons are often more informative than perfect examples.  
I would like to show you here some of my possessions - yataghans, found in villages near my home town - one of the centers of gun craft and trade in the past. 
The yataghans are not luxory made, but they are made for ordinary people to use them in battles. 
I would like also to show you some knives made in Bulgaria in the same period named ''karakulak'' and ''akulak'' /which means black and white ear/.
		 
		
		
		
		
		
		
		
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