"We have no way of really knowing its background and where it came from,"Jonathan Rosenbaum, an expert in antiquities forgery told FoxNews.com. "This is a common problem."
Nevertheless, a payout for the relics — real or fake — could be huge, according to Rosenbaum.
"If you can produce something that scholars will debate, then you’ve got the potential if you are the owner for millions," he told FoxNews.com.
By that criteria the shroud should be worth billions. Maybe the IAA just wants to bury the thing in some basement vault.