Wotan:
I have looked at my five distributor marked Eickhorns.
All have the 35-41 seated squirrel mark.
Three have tapered tangs (the A Kuhl, the William Gunther and the H Mutz). The other two (and my distributor marked 2nd Luft) all have the stepped tang that we would expect on a 35-41 produced dagger.
Interesting.
John