"Silver Niello Bronze Fibula, Han Dynasty Period (206bc - 220ac)"
Silver niello bronze fibula Han dynasty period (206BC - 220AC)zoomorphic belt hook Represents a Chilong Silver niello inlay forming geometric patterns
Traces of corrosion
see similar model: Sotheby's sale of December 16, 2015 lot 6
https://www .sothebys.com/en/auctions/ecatalogue/2015/arts-dasie-pf1517/lot.6.html