Mirror with Zaō Gongen

The image depicts a round object with a dark green and gray patina. The object has a circular shape and appears to be made of metal, likely bronze or copper. The surface features an etched design with swirling patterns and shapes. A darker green patina dominates the left side, while the right side is more gray. The bottom right displays a more detailed design. A small hole is visible near the center. The background is light grey. The title of the image is "Mirror with Zaō Gongen".