Question about a Co jang
Have got this Co jang with a feature I never have seen before by a Co jang. The not sharpened areas of the blade are blackened as well as the spine of the blade. My question to the Aceh specialists: was this common? Or shall I remove this? I would like to remove this at the spine since there are nive engravings which are nearly not visible while I want to let it on the flat areas. What you think? I have attached a picture together with my other Co jang for comparison.
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