It looks like the green glass leaf on this RARE Vintage CORO Glass Flower Bouquet Brooch Pin needs to be reattached. This delicate piece can be restored to its original charm with some careful repair. To reattach the leaf, consider using a jewelry adhesive designed for glass and metal bonding, such as E6000 or a specialized jewelry epoxy. If you prefer professional restoration, a jeweler specializing in vintage costume jewelry repairs would be ideal to maintain the brooch's integrity and value. Once restored, this stunning piece will be complete again, making it a standout addition to any collection! Let me know if you need recommendations for repair products or services. Price reflects as is condition.