HM Queen Astrid of Belgium née Her Royal Highness Princess Astrid of Sweden wearing the original version of the Nine Province Tiara. A flexible diamond bandeau in a stylized Greek key motif topped with 11 large diamonds on spikes.
retired Queen Paola Ruffo di Calabria of Italy, wife of retired King Albert II of Belgium. She is the child of the WW I Italian flying ace Fulco, Prince Ruffo di Calabria Duke of Guardia Lombarda & Luisa Gazelli dei Conti di Rossana e di Sebastiano
King Leopold I of Belgium, Prince of Saxe-Coburg and Gotha, husband of Princess Charlotte, the would-be heir to George IV of England had she not died giving birth to her stillborn baby (it’s really depressing, I know).