Hello Gunar, 
 
This piece very likely got crafted in Medan and thereabouts: Late colonial period or even later (pretty much all of 20th century even if I'd guess around WW2). I'm not convinced the blade is any older - certainly a possibility though. 
 
Not a traditional piece but prepared for those who travel (often colonial employees, visitors, etc.). The workmanship is not bad - a far cry from genuine traditional craftsmanship though. 
 
Regards, 
Kai
		 
		
		
		
		
		
		
		
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