Kölner Kunstmarkt 70. 1970. MappThe portfolio with 27 sheets: Drawings (1), etchings (1), color aquatint (1), lithograph (5), of which 2 in colors, silkscreens (12), of which 9 in colors, embossing prints (3), color offset lithographs (1) and color offset (3). With a double sheet, list of artists and imprint, as well as with bound exhibition catalog, released by 'Verein progressiver deutscher Kunsthändler e.V.', Cologne 1970. All sheets signed (23) and monogrammed (4) respectively, some with date (16), nuber (27), titled (5) and inscribed (1), of which some on verso. From an edition of 250 copies. On different types of paper. Up to ca. 45 x 32 cm (17.7 x 12.5 in), almost the full sheet. Contains: K.F. Bohrmann, V. Bonato, C. Böhmler, A. Cote, K. Danby, G. Gasioroski, B. Gironcoli, J. Grützke, E. Hauser, J. Hennemann, H.E. Kalinowski, W. Knaupp, F. Koenig, F. Kriwet, N. Krushenick, G. Kuehn, S. LeWitt, H. Mack, Palermo, A.R. Penck, O. Piene (Rottloff 92), S. Polke, B. Polk/G. Richter, R. Schwarz, L. Stafford, C. Twombly (Bastian 28), H.P. Zimmer. Loose sheets in original paper wrappers, there with artist's names in typography. In original case. The complete set. The work by H.P. Zimmer is erroneously referred to as "Zimmermann, Hans Peter" in imprint. [EH].