Seller: Herman H. J. Lynge & Søn ILAB-ABF, Copenhagen, Denmark
Frankfurt 2. Martz 1829. 64 x 121 cm. Large plan of the fortress at Hartenberg surveyed by the Danish military officer C. Krag. Pen and ink with watercolour. Also with scale and profiles at bottom and a small map showing the environsment. On 2 sheets joined.