The zinc lithographs consist of black and white line drawings and lettering. The original typing from which this print was taken is depicted in the Carlfriedrich Claus exhibition catalogue, "Shrift, Zeichen, Geste." (2005) [page 419] that is also held by the Sackner Archive. -- Source of annotation: Marvin or Ruth Sackner.

This catalogue is dedicated to Robert Rehfeldt. The exhibition consisted of two sections: Letters to Senders and Self-written Letters in which the envelopes, postal stampings and the return addresses were important. -- Source of annotation: Marvin or Ruth Sackner.

tored in Robert Rehfeldt box. These are the paintings reduced to stamp size. -- Source of annotation: Marvin or Ruth Sackner.

The card depicts a head shot of Rehfeldt wearing a cloth helmut and antennae earphones with the title rubberstamped over the upper torso. -- Source of annotation: Marvin or Ruth Sackner.

This print depicts four head shots of Rehfeldt in different clothing. -- Source of annotation: Marvin or Ruth Sackner.

The card depicts a photographic reproduction of a collage dealing with images relating to money along with the silhouette of a man standing in front of it. -- Source of annotation: Marvin or Ruth Sackner.

The introductory essay on mail art entitled "Art on the Margin of Art" was written by Mata. Endre Tot's contribution consists of an image of the text, "If You Read...," the same text of the painting held by the Sackner Archive. -- Source of annotation: Marvin or Ruth Sackner.

The card is a photographic reproduction of Robert Rehfeldt standing in front of the mail art collection in his house. -- Source of annotation: Marvin or Ruth Sackner.

Each card is collaged to an unbound page. This work is a signed, limited edition issued from an East Berlin Art Gallery. Joseph Beuys signed his own card contribution. -- Source of annotation: Marvin or Ruth Sackner.