Pendant oval medallion of Johann Sigismund, Margrave of Brandenburg and Duke of Prussia; gold; cast and enamelled; obverse: bust to right; reverse: shield of twelve quarters with inescutcheon of the hereditary chamberlain, surmounted by Electoral bonnet; scroll border with enamel imitating emeralds; suspended by three chains from figure of Imperial Eagle with arms of hereditary chamberlain; inscribed.