St Peregrine Patron Saint of Cancer Pocket Token with Prayer Back. The silver pewter pocket token measures 1 1/8 inches in diameter. the front has a St. Peregrine design. The back of the Pocket Token reads: Saint Peregrine, Saint of Cancer Diseases. Intercede for us by asking God to heal my Cancer and keep it in remission. Pray for me so that I make live a faithful and long life. Lead free pocket token.