[ZX12R]

Regardless, belief or non-belief in such things (the shroud) cannot be a determining factor in a Christian’s faith.

That seems like quite an untenable position to take. How then, can belief or non-belief in the resurrection of Jesus, the performance of miracles, his immaculate conception, and the idea that he was an actual historical person at all, be determining factors in a Christian's faith?

If you choose to believe the latter, the shroud is just one more of those same type of things. Is it not?

[bigoil]

It’s HER Immaculate Conception [Blessed Mary Ever Virgin], celebrated on December 8th. HER Nativity is celebrated on September 8th.

HIS Conception was the Annunciation as celebrated on March 25th. HIS Nativity is celebrated on December 25th.

[Wuli]

That seems like quite an untenable position to take. How then, can belief or non-belief in the resurrection of Jesus,...

If you choose to believe the latter, the shroud is just one more of those same type of things. Is it not?

Belief in the Resurrection does not REQUIRE someone to believe that the shroud of Turin is part of that. One can leave the answer to that to G-d and still believe in the Resurrection.