Janos:

I have over 90 Luft2s in my collection from all kinds of makers and from all periods of production, but not one with this kind of 2 ridge scabbard... all of mine have the 3 ridge scabbard.

Based on Paul's Pack dagger, the scabbard variation seems to be mid or late period...

John


Always looking for Eickhorns and etched bayonets.