Minimised copper engraving of the Schmettau city map of 1748, with 67 mentioned buidlings and squares, published by Stockdale in 1800 in London, (paper size 22,3 x 29,0 cm cm, picture detail 17,2 x 25,4 cm), Günther Schulz: Stadtpläne von Berlin 1652-1920, No 101.
Northern direction is lying at the top.