A cup supposedly used by Jesus at the Last Supper.
In medieval Christian legend, the dish or cup used by Jesus at the Last Supper, supposed to have supernatural powers. Together with the spear with which he was wounded at the Crucifixion, it was an object of quest by King Arthur's knights in certain stories incorporated in the Arthurian legend.
According to one story, the blood of Jesus was collected in the Holy Grail by Joseph of Arimathaea at the Crucifixion, and he brought it to Britain where he allegedly built the first church, at Glastonbury. At least three churches in Europe possess vessels claimed to be the Holy Grail.