Silver - Medallion pendant - Newborn

Silver filigree medal with the image of the Virgin Mary and of Jesus on the cross, hand-painted in enamel, was given to the child as divine protection.
Estimated period: second half of the 19th century.
Height 4 cm, including the ring.
In my opinion it is presented in excellent condition; please view the photos to clarify any doubt.
Gently tested, removing the patina with a silver reagent.