I have asked a collector’s friend in Austria who asked a friend in Malaysia , according to this local person the blade in question is certainly Sumatran (as two people get 3 opinions

) , perhaps South Sumatran. He suggested a different Selut-Pendokock but in his opinion the dress I had made was better than the other one I proposed above.
I have to say that this field leaves me often puzzled with the co-existance of two many opinions and possibilities