Crown of the Golden Madonna. The Golden Madonna of Essen is ca. 980. In about 993, Emperor Otto III donated this crown, which is believed to have been his coronation crown, and does appear at any rate to have been made for a child originally, as it's quite small.
Elizabeth Kotromanic of Bosnia (c. 1339 - January 1387) was the daughter of Ban Stephen II of Bosnia who became queen of Hungary upon her marriage to Louis I, King of Hungary and Poland, in 1353. The Crown of Elizabeth Kotromanic of Bosnia in Zadar, was given by Louis I of Hungary to St. Simeon shrine in Zadar, Croatia.
In terms of their sheer volume and wealth, the treasure hoard at Nimrud has been compared to that of Egyptian king Tutankhamen. Astonishingly, these treasures were also overlooked by the ancient Medes and Scythians, who had sacked the Nimrud palace in 612 BC. In one tomb alone, there were over 450 items of gold and silver jewelry weighing around 22.5 kilograms! These included a single gold crown and diadem, 14 amulets, 79 earrings, 90 necklaces, 30 rings, and 15 gold or rock-crystal vessels.
The Kunigunde Crown: One of the earliest known royal symbols is the Kunigunde crown. The crown belonged to the wife of the Emperor Henry II of Bavaria, the Empress Kunigunde. This crown was made around the early 10th century before Bavaria became a kingdom.