The Prince Of Wales And Duchess Of Cornwall Attend Reception At Winfield House Ahead Of Visit To The USA

LONDON, ENGLAND - MARCH 9: Prince Charles, Prince of Wales is shown an artwork, not pictured, by U.S. Ambassador to Britain Matthew Barzun, left, as Camilla the Duchess of Cornwall signs the guestbook as they arrive at a reception for Americans living and working in the UK, at the official residence of the U.S. Ambassador to Britain, Winfield House on March 9, 2015 in London, United Kingdom. The reception was held Monday evening ahead of Prince Charles and his wife Camilla visiting the U.S. next week. (Photo by Matt Dunham - WPA Pool/Getty Images)