Netsuke of Luohan

Round object with a light-colored border and a darker center. The border is made of smooth, off-white material, possibly ivory or bone, and has a small crack running vertically through the top. The center is a dark metal, likely bronze, and features a raised image of a man's face with a long beard and mustache. The man's face is depicted in profile, facing right. There are several lines of small, raised characters on the left side of the metal center. The object is set against a plain gray background, with a shadow cast to the right. The object is a Netsuke of Luohan by an unknown artist.