Claim: The Portrait of Frederick II of Prussia was commissioned by Frederick's sister, Duchess Philippine Charlotte (born March 1716) was last displayed in a State Museum..
Evidence: It was commissioned by Frederick's sister Duchess Philippine Charlotte of Brunswick-Wolfenbüttel. On 10 October 2009 the painting, last put on public display in 1937 at the Lower Saxony State Museum, was offered by the Bremer auction house Bolland & Marotz and sold at a price of 670,000 euros. (1716-03-13)13 March 1716
Stadtschloss, Berlin