This is a Miao silver necklace. Miao silver: a type of silver-plated metal. It utilizes traditional Miao silver-making techniques, such as carving, openwork, and weaving, and is adorned with silver bells, tassels, and other ornaments. The surface of the silver ornament is carved with exquisite and intricate patterns, creating rich layers and showcasing the meticulous craftsmanship characteristic of Miao silver ornaments.