Henry mackenzie, by sir henry raeburn (died 1823). Object Type: painting. Genre: portrait. Date: circa 1810. Dimensions: height: 74.9 cm (29.4 in) ; width: 62.9 cm (24.7 in). Medium: oil on canvas. Depicted People: Henry Mackenzie. Collection: National Portrait Gallery. Henry Mackenzie by Sir Henry Raeburn
