Queen Victoria Eugenia of Spain
The young royal here certainly appears to be King Peter II of Yugoslavia, however, the Royal Bullring of Seville gallery captions this as Umberto of Savoy (King Umberto II of Italy), Princess Maria Pia of Italy and the Dukes of Alba. Make of it what you will.
Prince Rainier III and Princess Grace of Monaco
Princess Grace and Prince Rainier III of Monaco
King Juan Carlos I of Spain
King Juan Carlos I accepting the dedication
King Juan Carlos I at his last bullfight as King of Spain