The interior / headlining lamp, you can get a Lucas NOS.  
The black grill, is it to be placed in front of front windscreen? 
I had to replace all 3 on my 411. Got them from Bristol Ltd 
Very expensive for what they are, simple spotwelded construction dipped in plastic. 
Zero rustproofing. 
		
		
		
		
		
		
		
	
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