This is a custom necklace featuring a vintage horse bridle medallion (See last photo that shows how they're used) These medallions are still used in Wales and England on Martingale Bridles for parades and special occasions. I've cleaned and re-lacquered it. I deliberately leave the backs in their original condition. It's paired with a beautiful vintage gold plated choker collar. The medallion measures approximately 3" x 3". The necklace is adjustable.