Reminds of the fake "sealed" authentic NES cartridges going for thousands of dollars or more on Ebay. It is a very lucrative business for scammers.
And there were many before him. Wikipedia writes that "in 2016, a relic of True Cross held by Waterford Cathedral in Ireland, was radiocarbon dated to the 11th century by Oxford University."[1]
Authentic collectibles are a timeless scam.