Hello Vern, our contributions have crossed. Due to the book L.H.Berger should have been a smith but with the addition of the firm of Collani he became also a military equipment supplier. Perhaps the firm was comparable to the later "Waffen-Loesche" we know from the airforce hunting knife.
Regards,

wotan, gd.c-b#105

"Never look for sqare eggs" as a late owner of an original FHH-dagger used to say.