Former study-cum-bedroom of Frederick II. of Prussia after the redesign in the classical style. Sanssouci, Potsdam, Germany
Unknown author<span style="display: none;">Unknown author</span>
End of the 1830s
Stiftung Preußische Schlösser und Gärten Berlin-Brandenburg: <i>Portikus</i>. Heft 1, 2008, S. 14