Yes!
I also got a couple of Bullet knives from him. Along with a few others. Good seller!
Found this about Koller ...
http://www.iknifecollector.com/profiles/blogs/hugo-koller-cutlerySeems Hugo Koller made military knives during WWII. Some collectable German Army/Nazi stuff out there.
My knife seems to have been made in the 1980s ... a Bartender's Knife ... which got my attention!
Tony