Wine cup in the style of Western Zhou dynasty (Zhi)

The Wine cup in the style of Western Zhou dynasty (Zhi) is a bronze vessel with a wide mouth and a flared rim. The body is bulbous with a rounded midsection. It has a short foot. The surface is primarily dark green with patches of brown. The patina appears textured and rough. The background of the image is gray, transitioning to white at the bottom. The object casts a shadow to the right.