From eBay.
Here is another photo showing Belgium’s royal couple dressed as in the last image and in color.
Keywords: Alexandre, Queen Elisabeth of Belgium, Princess Albert of Belgium, reine des Belges, Elisabeth Gabriele in Bayern, Elisabeth in Beieren, Elisabeth Gabriele Valérie Marie prinses van België, Wittelsbach family, Wettin family, Princess, Queen, bouffant coiffure, necklace, trapezoidal neckline, over-bodice, vee décolletage, lace, over-sleeves, brooch, bodice, trapezoidal neckline, quarter length tight sleeves