Mirror with animals of the four directions

The image shows a round metal object with a green patina. The object is circular and flat, with a raised circular pattern in the center. There are several concentric circles around the center. The outermost circle has an etched design around it. The object is made of metal, possibly bronze or copper, and has a green patina, indicating that it has aged over time. The background of the image is light gray. The title of the artwork is "Mirror with animals of the four directions".