Prince Albert of Prussia's Miniature Collar of the Prussian Order of the Black Eagle

Gold, enamel.
Nine single-sided chain links each 17 x 17 mm.
Weight 13.6 g.

Superb jewelry work.

Prince Albert of Prussia (German: Friedrich Wilhelm Nikolaus Albrecht; 8 May 1837 – 13 September 1906) was a Prussian general field marshal, Herrenmeister (Grand Master) of the Order of Saint John from 1883 until his death, and regent of the Duchy of Brunswick from 1885, also until his death.
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Knight of the Black Eagle order since 8 May 1847 (Collar since 1856).