St. Placidus 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 Little is known about Saint Placidus, but he was a follower of Saint Benedict, and has been related to stories with St. Gregory the Great, and St. Maurus. In fact, St. Maurus saved Placidus from drowning while they were monks. He is often confused with another, Saint Placitus, who was