A 110-year-old lemon that played a key role in espionage history is one of the star attractions of a London exhibition drawn from the files of British spy agency MI5.

A battered leather briefcase left behind by Guy Burgess when he fled to Moscow in 1951 is among 20 objects from MI5's ...

A briefcase left behind by infamous Cambridge spy Guy Burgess as he fled to Moscow in 1951 is among never-before-seen MI5 artefacts being opened up to the public for the first time. The MI5 ...

Classified files and MI5 spy artefacts to be exhibited for the first time - The exhibition will offer the public a first-ever glimpse into MI5's private collection ...

A briefcase left behind by infamous Cambridge spy Guy Burgess as he fled to Moscow in 1951 is among never-before-seen MI5 ...

A briefcase left behind by infamous Cambridge spy Guy Burgess as he fled to Moscow in 1951 is among never-before-seen MI5 artefacts going on display at The National Archives in Kew, South-West London.

The Cold War section includes one of the two briefcases left by Guy Burgess at his London club, when he fled to Moscow in 1951 with fellow spy Donald Maclean. It is marked with his initials.

A briefcase abandoned by infamous Cambridge spy Guy Burgess as he fled to Moscow in 1951 is among the never-before-seen MI5 artefacts going on display at The National Archives in Kew, south-west ...