http://www.shroud.com/guscin.htm
One clincher in the recent series about the face of Jesus and the shroud- the matching of the shroud to the Sudarium of Oviedo, which I had never heard about
There was a time past when many towns had their own relics and “shrouds” . It was a status symbol and it gave small towns local pride. Many,many if these are of course fakes.