Three-quarter length portrait study of a man seated at a desk with a dogJoseph van Aken · ca. 1740–60

Black and white chalk, stumping, brown ink and graphite on blue laid paper, squared in graphiteThe Metropolitan Museum of Art · CC0 1.0Lindy Arts

Three-quarter length portrait study of a man seated at a desk with a dog

Joseph van Aken · ca. 1740–60

Black and white chalk, stumping, brown ink and graphite on blue laid paper, squared in graphite