Leilão Bidspirit | Carved and engraved jade ring,

Carved and engraved jade ring, Eastern Zhou dynasty - Flat jade ring carved and engraved, on both sides, with spirals and lattice shapes. The jade is in good condition with patina. Outer diameter: 5 cm; Inner diameter: 2.5; Thickness: 0.5 cm; Weight: 23.5 g