if you use the forum search on 'hembrug', all is revealed. there is a book which some of us have (i do not, darn it) that covers all the models of dutch klewang, including the originally posted one of this thread, one of which is on the cover... with luck one of the book owners will contribute in this thread....
one of the solingen german ones from my collection:

this has the more expected blued steel and riveted wood grip and leather & brass scabbard.