Vintage Silvertone Floral Brooch with Aurora Borealis Rhinestones Coro?

This is a vintage Coro flower bouquet brooch pin. It features a floral design with multiple blossoms and leaves in a silver-tone metal. The brooch is adorned with iridescent rhinestones in the center of the flowers, adding a touch of sparkle. These brooches are collectible pieces of costume jewelry from the mid-20th century.