I AGREE LUZON I THINK OF THIS FORM AS A BOWIE KNIFE. PERHAPS FROM AMERICAN INFLUENCES BUT NOT SURE OF THAT. WITH LUCK A PHILIPPINE BOWIE COPLLECTOR IS OUT THERE TO PIN DOWN THE TIME AND PLACE OF THESE INTERESTING FIGHTING KNIVES. WHILE THEY ARE ATTRACTIVE ENOUGH TO INTEREST A TOURIST THESE WERE WELL MADE FOR USE, AT LEAST THOSE I HAVE HANDLED WERE. NICE ONE