SWITZERLAND - APRIL 29: The Queen In Tiara And Diamonds For State Banquet At British Ambassadors Residence In Berne Switzerland. Tour Dates 29 April - 2 May 1980 (exact Day Date Not Certain) (Photo by Tim Graham Photo Library via Getty Images)
SWITZERLAND - APRIL 29: The Queen In Tiara And Diamonds For State Banquet At British Ambassadors Residence In Berne Switzerland. Tour Dates 29 April - 2 May 1980 (exact Day Date Not Certain) (Photo by Tim Graham Photo Library via Getty Images)