Prev Next Medium: Photocopy Pregroperativistic Movement 1982-00-00 Arthur Berkhoff, Holland Section: Mail Art Network Sent from: Almelo, Holland Medium: Paper, Photocopy Category: Letter, Envelope Dimensions (cm): 20.9 x 14.8 Pages: 12 Subject: pregroperativistic neoclones, arthur berkhoff, monty cantsin