The scabbard fittings appear to be orientated so as to be viewed with the chape up, apart from one side of the locket, which is the 'right' way up. 
I wonder if it is a piece put together by a silversmith, intent on his silversmithing, rather than by a sword or knife cutler, who would probably have a more instinctive feel for the orientation of fittings. 
Best wishes 
Richard
		 
		
		
		
		
		
		
		
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