This Miraculous Medal is 14Kt solid gold metal and measures 1/2 inch in diameter and is set on an 18 inch gold-filled chain which is an appropriate size for ages 7+. On the front of the Miraculous medal necklace is a representation of Mary as given to St. Catherine Laboure in a vision in 1830 with the words 'O Mary conceived without sin, pray for us who have recourse to thee.' The back of the medal bears the Virgin Mary's monogram- the letter 'M' with a cross and 12 stars, the Sacred Heart of Jesus, and the Immaculate Heart of Mary. Puurchase one for yourself as an expression of your faith, or choose a Miraculous medal as a significant and meaningful gift for a loved one.