Thank you so very much for your answer. I really appreciate it, Chris! 
 
Anyway, I must admit that I am confused when it comes to the makers mark.... 
Found this one: 
 
"MAKER'S PICTORIAL TRUMPET MARK (ELMO)" 
 
Is it not strange that ELMO and EBERLE should use the same makers mark? 
 
Best, 
Stefan
		 
		
		
		
			
		
		
		
		
		
		
		
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