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					Originally Posted by Hombre
					
				 
				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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 If you do a search for "Eberle Elmo" you'll get a number of hits for knives on sale, so those two brand names are linked in some way. One such hit took me to Brazil, so there's a clue perhaps suggesting a joint venture.
Edit: Here's part of the answer 
https://pt.wikipedia.org/wiki/Metal%..._Abramo_Eberle
Edit: Website of Elmo which appears to be a different organization from Eberle: 
http://www.facacriolla.com.br/sobre-nos
However, it is entirely possible the Elmo or Eberle suppled each other with blades and were later marketed under their respective brands, a common practice in the cutlery industry. However it is likely that the brand of Elmo was mistakenly attributed by the seller to a knife made by Eberle as "Elmo in Portuguese translates as "Helmet" and the knives shown on their website do bear the mark of a helmet and not a trumpet.
Cheers
Chris