A cartoon image from the exhibition
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The Queen's unofficial portraits on show

One of the first events to celebrate the Queen's Diamond Jubilee is taking place at the Cartoon Museum in London.

The exhibition is an irreverent series of unofficial portraits of the British monarch.

Kathy Harcombe reports.

Contributors to this report include Anita O'Brien, curator at the Cartoon Museum, and cartoonist Nicholas Garland.

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