Prev Next Medium: Printed matter Correcting 1979-10-03 David Zack, USA Section: Correspondence A-Z Sent from: Calgary, Alberta, Canada Medium: Paper, Cardboard, Printed matter, Photocopy Category: Letter, Card, Text, Envelope Dimensions (cm): variable sizes Pages: 12 Subject: david zack, proof-reading, hetty huisman, niels lomholt, david zack, artist text, canadian artist, mail artist, monty cantsin