I forgot to mention: Although disassambling easily would help for making a concrete statement concerning originallity I only can HIGHLY RECOMMEN NOT to disassamble this valuable item. Each (in FHH daggers) experienced collector can tell you from the overall detailed look if this dagger is original or not. And I highly assume it IS original. And any deformation of the head screw 8or any other part) might lower the worth.
Also to mention is the very special and typical color of the metal parts which, to my best knowledge, cannot be faked until now. Beneath this fact there are a lot of other facts I can detect even in these bad pics which let me give thumbs up!
Is the scabbard magnetic, what is the weight of the scabbard? Is the blade magnetic?
When you look at my avatar you can see I know from what I am speaking Big Grin .
Regards,

wotan, gd.c-b#105

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