Part of Notre Dame on fire.

[BrianSoddingBoru4]

https://en.m.wikipedia.org/wiki/Crown_of_thorns


If you look more closely at the image in the article linked above it looks like the gold is a circlet built to house the crown itself, not that the crown itself is gold-leafed, but that's totally a guess on my part.  This is as much googling as I care to do this morning.

So basically, if I am reading this correctly, this is yet another manufactured object well after the alleged claimed event, and hardly a first hand account.

There isn't enough in the article to support the claim that the crown was manufactured 'well after the alleged claimed event', and the section quoted only details how it got to Notre Dame. If the Passion narrative in the Synoptics is accurate (meaning Jesus was crowned with a ring of thorns), then the relic could conceivably be genuine.

But I wouldn't place a bet on it.

Boru