Anthony Blunt confessed in 1964 to spying for the Soviet Union as part of the notorious Cambridge Five spy ring during World War II.

Queen Elizabeth II was not officially informed for nearly a decade that Anthony Blunt was a Soviet spy, newly declassified documents reveal.

Art historian Anthony Blunt was for decades Surveyor of the Queen's Pictures, overseeing the official Royal Art Collection, and in 1964 admitted he had been a Soviet agent since the 1930s.

Queen Elizabeth was kept in the dark for many years over a Soviet spy being embedded in one of the most senior roles in the family.

Newly declassified British documents show that Queen Elizabeth II wasn't told details of her long-time art adviser's double life as a Soviet spy because palace officials didn't want to add to her ...

The files about royal art historian Anthony Blunt are among a trove from the intelligence agency MI5 released Tuesday by Britain's National Archives.

Queen Elizabeth II was not officially informed for nearly a decade that Anthony Blunt was a Soviet spy, newly declassified documents reveal.

Queen Elizabeth II wasn't told details of her long-time art adviser's double life as a Soviet spy because palace officials didn't want to add to her worries, newly declassified documents reveal.

The files about royal art historian Anthony Blunt are among a trove from the intelligence agency MI5 released Tuesday by Britain’s National Archives.

FILE - Professor Anthony Blunt, former surveyor of the Queen's pictures, photographed at the Courtauld Institute with Queen Elizabeth II on Nov. 15, 1979.