Painting and Sculpture
The Frontier Guards, also known as The Circassian Prince Selling Two Boys or The Picket of the Muslim Squadron, is an oil on canvas painting by the Scottish artist William Allan, from c. 1814. It is held at the Hermitage, in Saint Petersburg.
Girl Reading a Letter at an Open Window.
Equestrian Portrait of the Count-Duke of Olivares.
Text from Wikipedia; plate via Wikimedia Commons. Text CC BY-SA 4.0; plate freely licensed (see Commons). Source record. Images and catalogue data are reproduced from open-access collections.