St. Peter Nolasco Custom MedalAvailable in Sterling Silver, 14kt Yellow Gold, and 14kt Gold Filled. Three sizes to choose from: Large: 1 x 3 4 inch Standard: 3 4 x 1 2 inch Charm: 1 2 x 1 4 inch Living a pious life, Peter was disturbed by the Moorish persecution and imprisonment of Christians in the Iberian peninsula. A vision of the Virgin Mary appeared before him and advised him to redeem the prisoners. He later founded the Order of Mercedarians in honor of his apparitions.