Serge, thank you for reanimating this interesting thread and showing again pics of this discussed dagger.
Btw, when you do a search in the net, you will find that today there is a Franz Rupprecht at D�ren (!), a tailor for festive fashion. Whatever this information is worth...
Regards,

wotan, gd.c-b#105

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