Two paintings by the Portuguese painter Paula Rego have replaced portraits of Queen Elizabeth I and Sir ... meetings between ...

Art historian Anthony Blunt was for decades ... confessed to them he had spied for the Russians during World War Two, the late queen herself was not officially told for nearly nine years.

In 1964, Sir Anthony Blunt, the surveyor of the Queen's pictures and distinguished art historian ... As a senior MI5 officer during the Second World War, he passed vast quantities of secret ...