Im Wertwandel der Wolkenkratzer / Text L. Lorek, Zeichnung R. Sandner.Günther, Thomas, 1952-Lorek, L. (Leonhard), authorSandner, R. (Reinhard)Stephan, Heike, 1953-[1984?]Consists of a single sheet of paper with perforations on the long edges (260 x 35 cm folded accordion style to 31 x 35 cm.) attached at top to a stiff cover. There are 9 unnumbered panels (2 blank).In case by Thomas Günther. Mounted on front of case is a colored photograph of a framed copy of this work signed in manuscript "Th. Günther 2006" with letterpress caption: galerie forum amalienpark Privatsammlung Gerhard Wolf. On the back of the case is a photograph with letterpress caption "Leonhard Lorek bei 'Work und Werk' 1986" signed in manuscript: Heike Stephan 86.mixed material