I am sorry that I cannot contribute concerning your question. I have checked my files and did find only one C&J which is assumed to be a total fake (other side with the well known "...Generalstab..." etching, large etched mm) and no EICKHORN with the certain eagle etch, only dedication etchings.
Regards,


wotan, gd.c-b#105

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