What medium is "Sword guard (Tsuba) With the Motif of Plovers and Waves (波千鳥図鐔)"?

Sword guard (Tsuba) With the Motif of Plovers and Waves (波千鳥図鐔) is Iron, copper, gold, copper-gold alloy (shakudō), copper-silver alloy shibuichi).

Is "Sword guard (Tsuba) With the Motif of Plovers and Waves (波千鳥図鐔)" in the public domain?

Yes, Sword guard (Tsuba) With the Motif of Plovers and Waves (波千鳥図鐔) is in the public domain and available for free download under CC0 license.

This artwork was created 19th century.

Unknown Artist

19th century

Medium

Iron, copper, gold, copper-gold alloy (shakudō), copper-silver alloy shibuichi)

Dimensions

H. 2 7/16 in. (6.2 cm); W. 2 1/8 in. (5.4 cm); thickness 3/16 in. (0.5 cm); Wt. 2.3 oz. (65.2 g)

Classification

Sword Furniture-Tsuba

Culture

Japanese

Department

Arms and Armor

Museum

Metropolitan Museum of Art, New York, NY

Credit

Edward C. Moore Collection, Bequest of Edward C. Moore, 1891

Accession Number

91.1.815