Single-sided exhibition announcement card published in conjunction with show "Wolf Vostell : décollages collages," held May 15 - 28, 1961, and for a performance at the gallery by Benjamin Patterson "Situationen für 3 klaviere duo für stimme und streicher, komposition für papier, décollages solo für Wolf Vostell," held May 14, 1961. Performers in Patterson's performance include Francis Coppieters, Benjamin Patterson, Dusko Gojkovic, William Pearson, Heidrun Klemencic, and Wolf Vostell.
