Après le trône de fer, la couronne de fer ! Article intéressant, à lire !
The Crown or rather diadem is composed of six plates made of gold -alloy of app. 80% purity. These plaques are linked by vertical hinges. It measures 15 cm in diameter and has a height of 5.5 cm. It weighs 535 gr. It is adorned with 26 golden rosettes, 22 gems of various collars and 24 laminae of floral cloisonné enamel. The buds are red garnets, purple amethysts and blue corundum. Other decorations are made of glass paste. Each plate of ornamental components have been clamped on externally at the corners. These plates or laminae are made of a fine, thin gold plate covered with glass and ornamental decorations. Inside is fitted what used to be believed was the actual “iron-crown”