Kingdom of Prussia, Very Rare, FW IV Officers Belt Buckle 1840-1861 For Sale

Kingdom of Prussia, Very Rare Officers Complete Belt Buckle from the Reign of Freidrich Wilhelm IV 1840-1861.
He suffered strokes from 1857-1861 which left him incapacitated until his death. His brother Wilhelm who was a soldier
served as Regent and was de facto King after 1858. This same Wilhelm was elected Emperor of the newly unified Germany at
Versailles by the other German Rulers at the conclusion of the Franco-Prussian War in 1871. He later told his confidants “ that this was the worse day of my life!”