Each of these Italian devotional rosary beads features an image of Mary on the front, and the Miraculous Medal on the back. 8mm, silver oxidized. Great accent beads, Our Father beads, or use for a whole rosary or bracelet! Miraculous Medal Know as the Medal of the Immaculate Conception, created by St. Catherine Laboure following a vision of the Blessed Virgin Mary. This medal is believed to bring special intercessions on behalf of the Blessed Virgin Mary if worn with faith and devotion at the hour of death.