Thanks.The covering is not varnish, but a blend of boiled linseed oil and lemon extract that I use to clean and preserve some of my items;it brings out the color of old paint, takes the dirt off and leaves the old patina (i.e., no change to the brass color). 
The figures range in thickness from 1/16" to 1/8"; they are substantial enough to be pinned through the shield rather than inlaid or brazed on it  .
		 
		
		
		
		
		
		
		
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