Monogrammist I.S. Portrait of an Unknown Man Date ca. 1651 Medium oil on canvas Dimension 63.5 x 52.1 cm In the collection of Private collection Learn more at the RKD Date ca. 1651 Medium oil on canvas Dimension 63.5 x 52.1 cm In the collection of Private collection Learn more at the RKD more from this artist Portrait of an Unknown Man Portrait of a Woman, Facing Left Portrait of an Unknown Man Portrait of an Old Woman A Man with a Growth on his Nose An Old Woman