Prev Next Sent from: Poland Invitation from Triennale Rysunku 1981-03-30 Triennale Rysunku, Poland Section: Mail Art Network Sent from: Wroclaw, Poland Medium: Printed matter Category: Letter, CFP, Envelope Dimensions (cm): 11.5 x 16 Pages: 3 Subject: triennale rysunku, the international drawing triennale in wroclaw