This vintage Mexico-made sterling silver brooch features a striking yin yang design with a black onyx gemstone on one side and sterling silver on the other side. The natural black onyx gemstone is set in 925 sterling silver, showcasing the intricate craftsmanship and unique artistry of the piece. This handmade brooch is signed by the maker and the silver and Taxico markings, making it suitable for both men and women. It would make a perfect birthday gift for someone who appreciates vintage jewelry with a touch of Mexican flair. The piece has some surface scratches and is tarnished.