Hi chief: 
 
There are a couple of possibilities for this one. Can you show us some better pics of the blade? Also, what are the dimensions--overall length, blade length, etc.? 
 
The brass slug set into the spine of the blade suggests 20th C Thai manufacture, but more details of the blade will help. 
 
Ian.
		 
		
		
		
		
		
		
		
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