Antique Rococo Bracelet, ca. 1780

Unique bracelet from the Rococo period, circa 1780. In its original case. Origin: Germany, Prussia. The following inscription can be found on the bottom of the case: 

„Das goldene Armband meiner erlauchten Großmutter Bernhardine von Kalben, geborene von Knoblauch zu Vienau mit dem Pastellbild meines Urgroßvaters Alverich Ehrenreich von Knoblauch vermache ich meiner Nichte Brigitte von Brandis, geb. v. Bredow.
Nov 1916 A. v. Brandis“

"I bequeath the golden bracelet of my illustrious grandmother Bernhardine von Kalben, née von Knoblauch zu Vienau, with the pastel portrait of my great-grandfather Alverich Ehrenreich von Knoblauch, to my niece Brigitte von Brandis, née von Bredow.
Nov 1916 A. von Brandis"

The miniature painting is hand-painted and edged with seed pearls. The material is probably thin brass sheet metal that has been decorated. Very well preserved. The case shows signs of age. 

About the people: 

Bernhardine Hedwig Charlotte von Knoblauch
Born: 15 April 1790 in Rathenow
Died: 30 August 1872 in Vienau
Marriage: 30 June 1816 in Polkritz to Otto Friedrich Philipp von Kalben, Royal Prussian Forest Master and retired Major
Residence: Vienau manor, Salzwedel district

Alverich Ehrenreich von Knoblauch
Unfortunately, no further information could be found

Brigitte von Brandis, née von Bredow
The von Bredow family belongs to the ancient nobility of Brandenburg and has been documented since the 13th century. Over the centuries, they have produced officers, diplomats and landowners. Their estates in Briesen, Pessin, Wustrau and Senzke are particularly well known. The family had close ties to the Prussian court and maintained dynastic connections to other noble families, including the von Brandis family.