Thank you all so much, its an even more interesting piece than my own research had panned out. 
No markings as far as i can decern. 
Does anyone know what rope would be best to replace this flimsy one?  
 
And though i believe you (Jasper) on the dating i am curious to know the (stylistic) differences between a 17and 18th century bow of this type.
		 
		
		
		
		
		
		
		
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