Unknown man, formerly known as Sir James Thornhill, John Closterman

Unknown man, formerly known as sir james thornhill, by john closterman (died 1711). Object Type: painting. Genre: portrait. Date: Unknown date, but author died in 1711. Dimensions: height: 74.9 cm (29.4 in) ; width: 61.6 cm (24.2 in). Medium: oil on canvas. Collection: National Portrait Gallery. Unknown man, formerly known as Sir James Thornhill by John Closterman