Triptych

The triptych, which has never been seen before in the UK, is being exhibited at Christie s King Street during Frieze Art Week from October 13-18, before being auctioned in New York on November 12.

Dominic Lipinski/PA

The triptych of Lucian Freud by Francis Bacon, which has never been seen before in the UK, is being exhibited at Christie’s King Street, London, during Frieze Art Week from October 13-18, before being auctioned in New York on November 12