The Blockhaus (Guardhouse) in Hamburg Harbour (1841), Adolph Friedrich Vollmer, 1841
Signed trial proof; it shows a view similar to the drawing hamburg harbour with the blockhaus ca. 1840 hence probably not mirror-inverted. Date: 1841. Dimensions: plate: height: 11.5 cm (4.5 in); width: 15 cm (5.9 in). Medium: etching print and drypoint print. Collection: Philadelphia Museum of Art. AF Vollmer Andr.22-I