Sword Guard (Tsuba)

Dark brown circular metal object with a large hole on the left side and an elongated oval-shaped hole in the center. The object features a raised design of a man on the right side wearing a robe and carrying a sword on his back, standing in front of and surrounded by wavy lines. The wavy lines also appear on the left side. There are two small Japanese characters etched on the left side of the oval hole. The background of the image is light gray. The object is likely a sword guard, Tsuba, made by an artist.