Prev Next Medium: Printed matter Invitation from Obxecto Postal 1983-05-28 Bienal de Pontevedra, Spain Section: Mail Art Network Sent from: Pontevedra, Spain Medium: Printed matter Category: Letter, CFP, Envelope Dimensions (cm): 23 x 33 Pages: 3 Notes: Obxecto Postal Subject: obxecto postal, mail art