This is a rare antique/vintage sterling silver collar necklace with black onyx stones. Handmade in Taxco, Mexico, it weighs 48 grams. The necklace features triangular black onyx stones set in sterling silver and has a collar style. It is unisex and can be worn for various occasions such as Mother’s Day, weddings, birthdays, and Valentine’s Day. The necklace has a bohemian and beauty theme and is an original piece from the retro era.