That would take a lot of research and I would think most of it is (lost to time) as they say . Jim M. if you really want to use one of these on a SS sword buy one but don't pay much as they are very common. That's what this really comes down to. People have told you here on the forum to the best of there knowledge what these hangers are and (commonly) used for. Regards: James


Collector of Edged Weapon art.