This Queen Elizabeth II photo contains
boater, leghorn, panama, panama hat, sailor, skimmer, straw hat, sombrero, fedora, felt hat, homburg, stetson, and trilby.
There might also be
campaign hat, snap brim hat, beaver, and castor.
Their Majesties The Queen and The Queen Mother and HRH Prince Edward arriving at Westminster Abbey for the funeral of Diana, Princess of Wales on 6th September 1997.