The blade is quite ragged looking; I think any edge features that may seem unusual are a result of corrosion through etching and age . 
It is not uncommon to see a blade from one island in the dress of another . 
The fit of the blade in the scabbard is not quite what I'd like to see . 
Maybe an older wrongko with a newer gandar and buntut for a scabbard .
		 
		
		
		
		
		
		
		
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