Sedia Gestatoria has striking similarities to the Ark of the Covenant

That is true about Wiki. However, you or myself are also able to edit entries in Wiki.
Wiki has a fact checker staff that are there to weed out trolls and false information. However, I don't know if that team reviews edits prior to their being published publicly.
I knew someone that found out Wiki has somewhere on their site the IP addy's of those who did troll and enter false information for various topics there. They even note the topic that was trolled. Very thorough folks from what I've heard.

Know your adversary, "who blinds human beings to the truth of God and to the true nature of reality"
https://www.lcg.org/bible-studies/study-topic-know-your-adversary

thorough in what they know

I know you and I could write and entertain our own beliefs as well which is why I stated what I did

I've heard and read enough about 'fact checkers' lately that I think they might need some also. however, they are probably neutral in a case like this since it does not represent their own beliefs

so the pope's big chair is my adversary?

No kidding. Fact Checkers like in the political realm are, entertaining?
While my sister use to know someone at Wiki who was a FC. They were neighbors turns out. That would be fun at parties. "Fact or fiction....."

I bet if you cast it on a bonfire the gold leaf makes for pretty sparklies.

the whole thing makes me think of Raiders of the Lost Ark

That too. It got me first to thinking of one of the sequels to RotL. Indiana Jones and the Last Crusade.
The grail cup? Which one in the cave would have been that which the Christ would have drank from at the last supper. If you saw the movie you remember that scene. Think, gold.