You will never know when this was done. But occasionally it was done during the period for sure. Even when the HYknife has had a regulated Price not each family could afford one.

First a pic with an unnormal big emblem between the rivets, nearly touching the rivets...
Second pic with what is obviously a trench knife with attached emblem at a very uncommon place down the gripplate.

Regards,

HY.JPG (48.07 KB, 349 downloads)
HY1.JPG (38.26 KB, 355 downloads)

wotan, gd.c-b#105

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