Portrait of Henryk Brühl (1700–1763), sketch, Marcello Bacciarelli, from 1758 until 1763
So-called portrait of heinrich von brühl (1700-1763), but it's probably a depiction of francis i, holy roman emperor (1708-1765), husband of maria theresa of austria
identification made by ecummenic based on comparison with some portraits of this prince (see images below). Object Type: painting. Genre: portrait. Date: from 1758 until 1763. Dimensions: height: 38 cm (14.9 in) ; width: 31.5 cm (12.4 in). Medium: oil on canvas. Depicted People: Heinrich von Brühl. Collection: National Museum in Warsaw. Marcello Bacciarelli - Portrait of Henryk Brühl (1700–1763), sketch - MP 1097 - National Museum in Warsaw