Here's an Army mark by Zeitler on one that I own (that should have been contemporary with the 2nd Luft).......

Mine is etched and with a different style of lettering.......

It bothers me, too. The mark........
Denny

Zeitler_(Small).JPG (41.78 KB, 183 downloads)
Zeitler

" Always interested in Aluminum fitted, rare, and superbly conditioned Army daggers." DJ Roach