Those that mock it or doubt it are either spiritually immature or intellectually lazy
There is pollen from plants that only grow in the hinnom valley
There is bilirubin in the blood
The image is a negative not positive and isn’t on top of the cloth but IN the cloth created when what was touching it transformed and the cloth fell through it
I could go on and on but would rather you continue in you mocking and ignorance
I once had both but ridicule for Catholics and their tokens and then I had my road to dimascus experience
That changed everything
The shroud and the headpiece in Spain are the only things left on earth that physically touched Jesus the Christ
How you deal with that fact is between you and the King
Those who mock it are simply not idol worshipers, unlike most Catholics.
Has the Catholic Church ever officially recognized the shroud as an official relic of Jesus Christ?