Davids had mixed feelings when she was asked to contribute to the exhibition, she told the BBC News website.

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"It's brilliant to be able to bring this exhibition to the Science Museum, " the enthusiastic Mr Taylor told BBC News Online.

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The head of Abadan's free trade zone, Asghar Parhizkar, told the Irna news agency the auction would take place during a classic car exhibition there.

BBC: Iran's president to sell old car for charity