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http://www.metmuseum.org/art/collection/search/464233 British, Chess Piece in the Form of a Knight, ca. 1250, Walrus ivory, Overall: 3 1/16 x 2 9/16 x 1 3/8 in. (7.8 x 6.5 x 3.5 cm). The Metropolitan Museum of Art, New York. Gift of J. Pierpont Morgan, 1917 (17.190.231)