Who owns Henry Moore's "Knife Edge Two Piece"?

LONDON. In 1967, Henry Moore and the Contemporary Art Society donated Knife Edge Two Piece (1962-65) to the United Kingdom. The bronze sculpture has since stood directly opposite the Houses of Parliament, admired by millions either in person or through its televised appearances in the background of news programs and becoming somewhat of a national emblem. However, the work is "badly discloured