A sheet of two penny tyrian plum stamps, bearing the head of King Edward VII, are seen at the British Postal Museum in London July 26, 2013. After three aborted privatisation attempts in 19 years, Britain's Royal Mail postal service looks closer than ever to a sale that would end almost five centuries of ties to the state. Photograph taken on July 26, 2013. REUTERS/Olivia Harris (BRITAIN - Tags: BUSINESS POLITICS)