[Mark17]

Does it prove that he was a messiah?

Did Jesus of Nazerath claim to be the messiah?

[usastandsunited]

Did Jesus of Nazerath claim to be the messiah?

Yes, he did.
Does everyone believe Jesus is the Messiah ? No.
Do I believe Jesus is the Messiah. Yes.
If the artifact is a fake, will it discredit that ? No.
If the artifact is authenic, will it prove it ? No.

[BrooklynGOP]

Did Jesus of Nazerath claim to be the messiah?

That's irrelevant for the purposes of this discussion.