What he said
With all that steel in the handle I suspect them of being rather handle heavy which corresponds to the German taste, with rock-chopping out of the shoulder.
This is the type of knife where differential hardening will indeed be used. On most ancient pieces the back of the knife or the center in double edged
Funds received. The knife is sold and will be in its new home next week.
Thanks and congratulations to the new owner. Thanks also to the KKF.
I guess the weak factory edge is all about factory deburring with hasty buffering. Make sure to remove a bit of steel.