Prev Next Category: Envelope Planstudio Siepman Info 1980-04-26 Planstudio Siepmann, West Germany Section: Mail Art Network Sent from: Bornheim-Merten, West Germany Medium: Printed matter Category: Newsletter, Postcard, Envelope Dimensions (cm): 29.7 x 21 Pages: 6 Subject: planstudio siepmann, live performance, videoinstallation