Silhouette Portrait of Martin Van Buren. Artist: William Henry Brown (American, Charleston, South Carolina 1808-1883 Charleston, South Carolina). Dimensions: Image: 13 1/4 ? 9 13/16 in. (33.7 ? 25 cm) Sheet: 16 3/4 ? 12 1/4 in. (42.5 ? 31.1 cm). Lith