13th June 1951: A Royal party watching the races at Ascot racecourse on Royal Hunt Cup Day (left to right); Princess Margaret (1930 - 2002), Katherine, Duchess of Kent, Henry, Duke of Gloucester, Queen Elizabeth, Queen Consort to King George VI (looking through her binoculars) and Princess Elizabeth. (Photo by William Vanderson/Fox Photos/Getty Images)
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Hulton Royals Collection William Vanderson