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					Originally Posted by Tim Simmons
					
				 
				...What does look just a little unconvincing are the marks in this picture.  Clearly made by a steel tool of some kind and in rather a modern machine precision format? 
			
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 Very pertinent remark, Tim.
... At least untill someone comes up with a logic explanation for that, like the marks having been made at a later (recent) stage, for some kind of reason, like using the thing as a hammer, or whatever.
Fernando