Need help identifying the mark

[Pertinax]

Originally Posted by Victrix

Nice sword! Unfortunately I don’t recognize the mark. It looks like it may have been scratched in by the owner? It may be a house mark with which Scandinavian and Germanic people marked their property. See: https://en.wikipedia.org/wiki/House_mark. But this is just speculation on my side.

Thanks, Victrix

But I think that this is not a runes, but a poorly pierced stamp or monogram.

For example this: