Water vessel in the shape of a marriage cup

The object is a white jade vessel in the shape of a marriage cup. The vessel is square with a divided interior. It has a flat top and a small, raised lip around the edges. There are two figures carved on the front, on the lower right side. The two figures appear to be embracing. There are two dragon or serpent heads on the short sides, one on each side. A loop handle is on the back. The background is dark gray.