GUERNSEY, UNITED KINGDOM - JULY 19:  Detail of a brooch is seen as Camilla, Duchess of Cornwall prepares to unveil a plaque in Les Bourges Hospice on July 19, 2012 in St Peter's Port, United Kingdom. The Prince of Wales and the Duchess of Cornwall are in Guernsey as part of a Diamond Jubilee visit to the Channel Islands taking in Jersey, Guernsey and Sark  (Photo by Chris Jackson/Getty Images)