Sword Guard (Tsuba)

Dark brown metal object, circular and flat. Two holes cut through the center, one long and narrow, the other shorter and wider. The long hole has straight edges and a flat bottom; the shorter hole resembles a rounded triangle or teardrop. Text or symbols etched into the metal on the left side. Object appears to be made of weathered or aged metal with darker spots and lighter patches. Background is light gray. Title: Sword Guard (Tsuba). Artist not specified.