Help to read the marks on a possible medieval sword

[agrux]

Originally Posted by AHorsa

It looks like three gothic letters. But I can’t tell you about the meaning. Often there were initial letters used as short form for e.g. spiritual / Christian phrases

Yes, it looks to be the same in the 2 sides M I N ?

Additionnaly, the mark (attachement 235571) could be a Passau wolf but I'm not really sure.

Thanks