Man is studying a map with a magnifying glass, The man is sitting behind a table, on the edge is a telescope. With caption in German and the coat of arms of Franz Ludwig von Dietrichstein. print maker: Johann Veit Kauperz, (mentioned on object), after painting by: Martin Johann Schmidt, (mentioned on object), Franz Ludwig von Dietrichstein, (mentioned on object), Gratz, 1777, paper, height 278 mm x width 204 mm.