Chapman has previously created tile mosaics of footballers Eric Cantona and George Best and portraits of Manchester United manager Sir Alex Ferguson and Fulham boss Mark Hughes using coins.

BBC: Jimi Hendrix plectrum mosaic artwork on show

Your departure this time, though, will further increase the power of two men in this government - the Cabinet Secretary, Sir Jeremy Heywood and the Chancellor, party strategist and Dave's other best political friend, George Osborne.

BBC: UK Politics