[kronckew]

you are correct,

found this:

Originally Posted by denee

The knife or short sword is the traditional "ban" of the Lepcha people, who principally came to live in remoter, forested valleys in Sikkim, but were found in Bhutan as well and across the Nepal border. Although it frequently appears as "Bhutanese," it is distinct (in length, blade shape and composition, scabbard and decoration) from the typical arms of the ethnically Tibetan Bhutias who migrated into the area and became the majority (at least before the influx of a great number of Nepalis to the area). I believe that Lord Egerton identifies such a piece as from Bhutan, as indeed it could have been made, used and collected there. A photographed example in his book is identified as from "Bhotan or Nepalese Frontier.".