London 2012: Offside rule on Olympic 50p coin
The designer of a 50p coin created to mark the London 2012 Olympic Games that explains the off-side rule says he hopes it will encapsulate football in one simple image.
Neil Wolfson, a journalist living in London, entered a competition run by the Royal Mint. He told Martha Kearney on BBC Radio 4's World at One how he came up with the idea.
The World at One is on Radio 4 weekdays at 13:00GMT.