WINDSOR, ENGLAND - APRIL 08: Queen Elizabeth II (3rd L) shows Irish President Michael D Higgins (2nd R), his wife Sabina Coyne (2nd L) and Prince Philip, Duke of Edinburgh (L), Irish related items from the Royal Collection, in the Green Drawing Room at Windsor Castle on April 8, 2014 in Windsor, England. This is the first official visit by the head of state of the Irish Republic to the United Kingdom. (Photo by Justin Tallis - WPA Pool/Getty Images)
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