Annie Armstrong for ARTNews

Alma Thomas’s rainbow-colored artwork is due to go on sale at Christie’s on November 13.

Christie’s will auction works from the artist’s “Athletes” series, completed between 1977 and 1979.

62,000 pages of Clinton’s controversial emails are part of a readymade artwork by Kenneth Goldsmith.

A gem of a disappearing act.

The lot includes a diverse breadth of work by artists such as Barnett Newman, Zhang Daquian, Franz Kline and Willem de Kooning.

The 14-carat decoration has been to the moon and back.