Pauline is a peacock and holds special meaning. She was taken from a vintage piece and is a great addition to your relic necklace.
Peacock symbolism: Vision, Royalty, Spirituality, Awakening, Guidance, Protection, & Watchfulness. In Greco-Roman mythology the Peacock tail has the "eyes" of the stars. In Hinduism, the Peacock is associated with Lakshmi who represents patience, kindness and luck.
This would be a great statement piece on your necklace.