A VERY IMPRESSIVE COLLECTION AND ITS DIFFICULT TO EVEN HAVE ONE PACKAYUN IN YOUR COLLECTION SO CONGRADULATIONS TO ALL!!
I NOTICED THAT TWO OF BENS EXAMPLES AND MICHAEL'S EXAMPLE HAVE THE SMALL SHARP POINT WHERE THE BLADE NEARS THE HANDLE AND THE FORTE IS THINNER WHERE IT GOES INTO THE HANDLE TO FORM THE TANG. THIS FEATURE REMINDS ME OF THE BATACK PISO FORMS OF KNIVES. ALSO THE TIP ON ONE OF BEN'S EXAMPLES AND MICHAEL'S EXAMPLE DON'T HAVE THE CLIPPED POINTS LIKE THE OTHER EXAMPLES. I ASSUME THE BATACK WERE TRADING IN THE AREA IF NOT RELATED TO THE MURUT SO POSSIBLY THEY BROUGHT IN SOME TRADE BLADES
THERE ARE MANY VARIATIONS IN MOST WEAPONS EVEN IF THERE ARE NOT ANY OUTSIDE INFLUENCES. SO THAT PART OF THE WORLD IS EVEN MORE VARIED DUE TO ALL THE INTERACTION OF MANY DIFFERENT CULTURES OVER A VERY LONG TIME.
I LIKE IT A LOT

IT JUST WOULDN'T BE AS MUCH FUN IF EVERYTHING ETHINOGRAPHIC WAS JUST ALIKE.