The crown worn by Britain's Prince Charles at his Investiture as Prince of Wales at Caernarfon Castle on July 1, 1969 is pictured during a photocall for the exhibition 'HRH The Prince of Wales: An Exhibition to Celebrate his Sixtieth Birthday' at Windsor Castle, in Berkshire, south-east England, on May 15, 2008. The coronet, designed by Louis Osman, is part of the exhibition 'HRH The Prince of Wales: An Exhibition to Celebrate his Sixtieth Birthday.' Prince Charles will celebrate his sixtieth birthday on November 14, 2008. The exhibition will run until February 22, 2009. Getty Images logo Getty Images 45 months ago

The crown worn by Britain's Prince Charles at his Investiture as Prince of Wales at Caernarfon Castle on July 1, 1969 is pictured during a photocall for the exhibition 'HRH The Prince of Wales: An Exhibition to Celebrate his Sixtieth Birthday' at Windsor Castle, in Berkshire, south-east England, on May 15, 2008. The coronet, designed by Louis Osman, is part of the exhibition 'HRH The Prince of Wales: An Exhibition to Celebrate his Sixtieth Birthday.' Prince Charles will celebrate his sixtieth birthday on November 14, 2008. The exhibition will run until February 22, 2009.