The stock reminds me of the Bulgarian style long guns, made in the Balkans, with the stock decorated with pearl panels over most of the stock. But your's with a definate Moroccan design and lock. 
 
 
Hello everybody , 
this is a really interesting musket but I do not think that reminds the typical Bulgarian musket / boyliya / 
 
Regards, 
Ivo
		 
		
		
		
			
		
		
		
		
		
		
		
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