British Royals Queen Elizabeth II, wearing the Kokoshnik Tiara, attends a State Dinner in Reykjavik, Iceland, 25th June 1990. The Queen and Prince Philip are on a two-day State Visit to Iceland. (Photo by Tim Graham Photo Library via Getty Images)
British Royals Prince Philip, Duke of Edinburgh (1921-2021), Queen Elizabeth II, wearing the Kokoshnik Tiara, and President of Iceland Vigdis Finnbogadottir attend a State Banquet in Reykjavik, Iceland, 25th June 1990. The Queen and Prince Philip are on a two-day State Visit to Iceland. (Photo by Tim Graham Photo Library via Getty Images)
