In 2019 Art Cologne presented works from the collection of Francesco Conz with Eric Andersen, Thomas Bayrle, George Brecht, Henri Chopin, Philip Corner, Giuseppe Desiato, Sari Dienes, Jean Dupuy, Lawrence Ferlinghetti, Esther Ferrer, John Giorno, Geoffry Hendricks, Dick Higgins, Alice Hutchins, Dorothy Iannone, Joe Jones, Allan Kaprow, Milan Knížák, Alison Knowles, Alvin Lucier, Walter Marchetti, Peter Moore, Charlotte Moorman, Serge III Oldenbourg, Nam June Paik, Ben Patterson, Gerhard Rühm, Carolee Schneemann, Daniel Spoerri, Paul Talman, and Robert Watts.
The show featured parts of the collection, as well as documents and photographs, including a 40-meter long edition by Eric Andersen. The collection of the Archivio Conz demonstrated the fascination that editions prompted in the artists of the avant garde.