Thank you both for comment!

So there seems to be agreement that this bolo coming from Ilocos, precise from Ilocos sur. Thank you Robert for giving it a name, do you have a translation for "sinan-kapitan"? And it seems that we have an agreement about the age since I also have thought that it is pre 1900. Will take pictures from my tabak with similar handle for comparison.
Regards,
Detlef