VERY INTERESTING AND UNUSUAL. THE BRASS FERULE ON THE TWO ALSO LOOKS MORE LIKE MURUT THAN DAYAK. IS THE TOP EXAMPLE OLDER THAN THE BOTTOM ONE? THE WAY THE TANG COMES OUT STRAIGHT FROM THE HANDLE AND THEN DROPS DOWN TO A SHARP POINT WHERE THE EDGE BEGINS REMINDS ME OF SOME OF THE BATACK SHORT SWORDS PISO PODANG IF I REMBER CORRECTLY. WITH YOUR COLLECTION YOU NEED TO GO VISIT THE MURUT AND GIVE A CLASS ON THE WEAPONS THEY HAD IN THE PAST AS I DOUBT VERY FEW HAVE SEEN THEM. CONGRADULATIONS ON THE FINE SWORDS.