Follow-up 
 
Found this active Bay listing and the seller has listed "born with Chevelle" type trim rings. These appear to match the "different" type trim rings that I picked up and had previously posted pictures of. 
 
I am now assuming they are a legitimate older version GM trim ring. Guess we need a Chevelle expert to weigh in with their opinions.    Thanks
		 
		
		
		
			
		
		
		
		
		
		
		
		
	
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