In a documentary called “The Nails of the Cross,” which aired in 2011 on the History Channel, filmmaker Simcha Jacobovici tells the story of two nails allegedly discovered in a 2,000-year-old tomb in Jerusalem. He presents circumstantial evidence that seems to suggest the rusty relics once nailed Jesus to the cross.

The tomb in which the nails were found is believed by some to be that of the Jewish high priest Caiaphas, who presides over the trial of Jesus in the New Testament.

In their coverage of the new film, Reuters reported that most experts and scholars they contacted dismissed the filmmaker’s case as far-fetched and called it a publicity stunt. It turns out publicity stunts abound when it comes to holy hardware. In 1911, English liturgical scholar Herbert Thurston counted all the nails that were at that time believed to have been used to crucify Jesus. Though only three or four nails (the exact number is up for debate) were supposed to have pinned Christ to the cross circa A.D. 30, in 1911, 30 holy nails were being venerated in treasuries across Europe.

In an entry in the Catholic Encyclopedia, Thurston, a Jesuit himself, offered this explanation for the surplus in hardware: “Probably the majority began by professing to be facsimiles which had touched or contained filings from some other nail whose claim was more ancient. Without conscious fraud on the part of anyone, it is very easy for imitations in this way to come in a very brief space of time to be reputed originals.”

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Before Jesus was crucified, the Gospels say, Roman soldiers placed a crown of thorns on his head in a painful mockery of his sovereignty. Many Christians believe the thorny instrument of torture still exists today, albeit in pieces scattered across Europe. One near-complete crown is housed in Notre Dame Cathedral in Paris. The documented history of Notre Dame’s Crown of Thorns goes back at least 16 centuries — an impressive provenance — but it doesn’t quite trace back to A.D. 30. Furthermore, as Nickell points out, Notre Dame’s crown is a circlet of brush, and is completely devoid of thorns. [Some argue the thorns were distributed to icon collections throughout Europe.]