Frederik IV planned to have a porcelain cabinet to form a counterpart to the Glass Cabinet. Such cabinets was fashionable at princely courts in Europe.
Things to do in Copenhagen - Visit Rosenborg Castle
The Porcelain Cabinet at Rosenborg - The Royal Danish Collection
The Treasury - The Royal Danish Collection
Rosenborg Castle in Denmark - Historic European Castles
Rosenborg Castle, Copenhagen, Denmark with virtual tour : r/Castleporn
My Musings: Rosenborg Castle
THE FRENCH PORCELAIN SOCIETY
PDF) The Royal Danish Collections at Rosenborg
The Porcelain Cabinet at Rosenborg - The Royal Danish Collection