LONDON, UNITED KINGDOM - SEPTEMBER 10: In this photo illustration, sample Polymer five and ten pound British banknotes are held during a news conference at the Bank of England on September 10, 2013 in London, England. Bank of England Deputy Governor Charlie Bean, said: "Polymer banknotes are cleaner, more secure and more durable than paper notes. However, the Bank of England would print notes on polymer only if we were persuaded that the public would continue to have confidence in, and be comfortable with our notes. (Photo Illustration by Chris Ratcliffe-Pool/Getty Images)
