The Romanian Greek Key Tiara. Princess Victoria became Grand Duchess Viktoria Feodorovna (top) after her second marriage to Grand Duke Cyril Vladimirovich of Russia in 1905. This tiara is said that he presented her it. In exile after the revolution, she sold her tiara to her sister Queen of Romania. Queen was subsequently presented to Helen (middle), the bride of her son Carol in 1921. Bottom: Princess Margareta of Romania.