The stigmata are marks that replicate the wounds that Christ received on his hands, feet and side at the Crucifixion. Certain Christian saints (for example, Saint Francis of Assisi) are believed to have miraculously received the stigmata as marks of their piety.

FrancisGiotto. St. Francis Receiving the Stigmata. Fresco. Upper Basilica of St. Francis, Assisi, Italy. 1297-1300.