Katzbalger - request for assistance in identifying blade mark

[cornelistromp]

The castle tower mark, with 3 or 4 points, often seen on wide Italian blades from the end of the 15th century, are all punched into the blade and without latten, as far as I know.
The mark of the sword under discussion is chisseled and finished with a latten inlay. This in combination with the orb and cross does not indicate an Italian origin.I would look more towards Solingen or else.

best,
jasper