HI AND WELCOME TO THE FORUM.
I AGREE FROM THE WORKMANSHIP AND TYPE IT APPEARS TO BE A PHILLIPINE MADE DAGGER. THE SCABBARD AND GAURD ARE UNUSUAL FOR A PHILIPPINE DAGGER BUT WELL WITHIN THE WIDE RANGE OF STYLES OCCURING IN THE PHILIPPINE ISLANDS OVER TIME. I WOULD GUESS THIS WAS MADE WW2 OR LATER. PERHAPS SOME OF THE COLLECTORS SPECIALIZING IN THIS TYPE OF KNIFE CAN ADD BETTER INFORMATION. GOOD LUCK