It is post war dagger, poorly aged.

1.In what period WKC was marked by marine daggers with this type of mark?
And what mark near it?Both are frankenstein.

2.Forced wear of top eyelet.All the more at such big wear the wear must be not only at the eyelet back side,but in the front side too.A little bit less,but must be!But at front side i can not see even inkling of wear.

3.At the holes of pommel we can see patina,but nothing at the holes of the crossguard.

4.Fresh green patina at the pommel and under portepee are testimony about works for giveing the realness to the dagger,too.Green patina is impossible at old dagger surface.

5.The numbers at the scabbard have become plugged up with dirt,but decor close together is absolutely clean.

6.Acuate click is a distinctive feature of modern(postwar) product of modern Solingen deceivers.

Good luck!