It is the spy case that has never been resolved.
Hours for the British diplomat and Soviet Double Agent Guy Burgess walked over to Russia on 25 May 1951, he left two briefcases in the club of a private member in Pall Mall.
Burgess left strict instructions behind staff of the reform club that the learning issues, locked and another filled with letters, papers and photos, should be left for Anthony Blunt, a colleague Soviet spy who was able to remove stressful papers before handing over the residence cases when the defect was formed.
Now one of the mysterious briefcases that contain the secrets of one of the members of the infamous Cambridge Spy Ring can be seen together with the passport of Burgess.
For the first time, the public will be able to see a piece of espionage history when the Burgess suitcase can be seen next month in the National Archives.
But amateur speuzen in the hope of resolving the mystery of what the notorious traitor has left behind can be disappointed, since the case is presented as empty.
Mi5 has never been able to determine what Botte – who later became one of the oldest courts of Queen Elizabeth II – removed after Burgess covered together with his colleague Cambridge Spy Donald Maclean, who had gone Groot -Britain on a boat from Southampon on a boat from Southampon's diplical plot that the intelligence and diplical plot that had the intelligence and diplical plot that intelligiously plot.
It is the first time that MI5 has been working on an exhibition that explores his 115-year history, where visitors offered a unique opportunity to explore spy material from his private collection.
Guy Burgess transferred to Russia on 25 May 1951
From top left: Antony Blunt, Guy Burgess, Donald Maclean and Kim Philby, members of the infamous Cambridge Spy Ring
The Aktetas Guy Burgess left in the reform club when he fled to Moscow in 1951
A British Union of Fascists (Buf) Bracelet by Mitzi Smythe, a German woman who led a guest house in Ramsgate
Also in loan to the National Archives, the first surveillance camera was purchased by MI5 in 1910 for an amount of £ 3 and ten shilling.
Ironically, monitoring was the task of only one older detective when MI5 was formed.
You can also see the key to the Communist Party of the Westminster Branch offices of Great -Britain that MI5 has acquired, allowing officers to investigate membership data by literally going through the front door.
There is also a British Union of Fascists (Buf) bracelet from Mitzi Smythe, a German woman who led a pension in Ramsgate who was later held in the Holloway prison next to the British fascist leader Oswald Mosley.
The exhibition comprises a robot star 50 hull camera that was used a lot during the Cold War, because it can be hidden in a jacket, hidden behind a button with the lens.
A desk microphone uses in the MI5 operations space in the 1970s to communicate with officers in mobile security vehicles too.
Sir Ken McCallum, director -general of MI5, said: 'We are pleased to be able to borrow these items to the national archives for this groundbreaking exhibition. Sharing unique items from our own collection brings to life – in tangible form – some of how MI5 has worked to keep the country safe over the past 115 years. '
MI5: Official secrets run from 5 April to 28 September in the National Archives in Kew, London.
