The Royal Family criss-crossed the globe, at a cost of almost £1 million, to celebrate the Queen's Diamond Jubilee last year.
While the Queen and the Duke of Edinburgh remained at home, touring the UK, their family travelled around the Commonwealth to mark the milestone.
The Princess Royal visited South Africa and Mozambique to celebrate her mother's 60-year reign, travelling on a scheduled long-haul return flight between London and Johannesburg costing just over £42,000.
For the opening of the Paralympic Games a month later, the Queen flew by chartered plane from Scotland to London at a cost of £16,000, then returned on the Royal Train for £20,000.
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Officers were given the touching letter at Brixton Station while they were on a reassurance patrol after yesterday's attack
The 52-year-old had previous convictions for violence but was not on the anti-terror watchlist.
In a statement Charlton Athletic said: Keith was a true hero who will be greatly missed by all the Charlton family and everyone at the club.