CAERNARVON - JULY 1: Prince Charles kneels before Queen Elizabeth as she crowns him Prince of Wales at the Investiture at Caernarvon Castle on July 1, 1969 in Wales. (Photo by Anwar Hussein/Getty Images)
CAERNARVON - JULY 1: Prince Charles kneels before Queen Elizabeth as she crowns him Prince of Wales at the Investiture at Caernarvon Castle on July 1, 1969 in Wales. (Photo by Anwar Hussein/Getty Images)
Hulton Archive Anwar Hussein
Charles, The Prince of Wales, with Queen Elizabeth II and Prince Philip at his Investiture at Caernarvon Castle in Wales on 1st July 1969. (Photo by Ray Bellisario/Popperfoto via Getty Images/Getty Images)
Popperfoto Ray Bellisario/Popperfoto
1st July 1969: Queen Elizabeth II crowns her son Charles, Prince of Wales, during his investiture ceremony at Caernarvon Castle. (Photo by Fox Photos/Getty Images)
Hulton Royals Collection Fox Photos