Prev Next Medium: Printed matter Letter from Groschopp 1983-05-13 Michael Groschopp, DDR Section: Mail Art Network Sent from: Magdeburg, DDR Medium: Printed matter, Paper, Pencil Category: Letter, Postcards, Envelope Dimensions (cm): 11.5 x 16 Pages: 6 Subject: michael groschopp, postcard book