WINDSOR, UNITED KINGDOM - JUNE 17: Queen Elizabeth ll attend a polo match at Windsor Great Park after attending Royal Ascot on June 17, 1976 in Windsor, England. (Photo by Anwar Hussein/Getty Images)
WINDSOR, UNITED KINGDOM - JUNE 17: Queen Elizabeth ll attend a polo match at Windsor Great Park after attending Royal Ascot on June 17, 1976 in Windsor, England. (Photo by Anwar Hussein/Getty Images)