Prev Next Sent from: USA Invitation from Hoffberg, 0001 1979-01-22 Judith Hoffberg, USA Section: Mail Art Network Sent from: Glendale, CA, USA Medium: Printed matter Category: Invitation, Envelope Dimensions (cm): 27.8 x 21.5 Pages: 2 Notes: International Umbrella Mail Art Exhibition Subject: judith hoffberg, mail art, international umbrella mail art exhibition