This one a little different to mine. The trademark on mine is stamped >

P.D Luneschloss
Solingen

I would say due to the Pack 3rd crossguard and slight change in trademark that is was the follow up dagger from the company. Still early and scarce and very nice indeed.
Here is the front of mine, this is without a doubt the blackest army I have ever owned, the patina is thick enough to feel with a finger nail.

P4-2L.jpg (119.77 KB, 101 downloads)