Lithograph in colours, 15,5 x 23,5 cm, lo. le. in the stone inscribed "N. d. Natur gez. u. lith. von Wilh. Heuer", lo. mi. titled, matted a. framed under glass, uninspected out of frame. - One of the best North German draughtsmen a. graphic artists, after training as lithographer in the workshop of Suhr in 1828/29 he studied in Vienna in 1830, his works are distinguished by their topographical accuracy a. their delicate colours. - Mus.: Hamburg (Kunsthalle, Altonaer Mus.). - Lit.: Thieme-Becker, Rump, Der Neue Rump, Fred Salamon, Anmut des Nordens, W.H. u. sein graphisches Werk a. others.