Olga's Gallery
Albrecht Durer.
Portrait of Frederick the Wise.
1496. Tempera on canvas. Staatliche Museen zu Berlin, Gemaldegalerie, Berlin, Germany. More. 
Frederick III (1463-1525), known as Frederick the Wise, had become the Elector of Saxony in 1486 and was one of the princes entitled to select the Holy Roman Emperor. he was one of the first Dürer's patrons