Sword Guard (Tsuba)

The image shows a round object with a design cut out of it. The object, a tsuba, is made of dark metal and has a circular shape. The design cut out of the metal resembles tree roots or veins, with many irregular shapes and curves. The center of the object features an elongated oval cutout with a small brown metal piece at the top and bottom. The background of the image is light gray. The artist is unknown.