Prev Next Category: Postcard Invitation from Hoffberg 1979-06-12 Judith Hoffberg, USA Section: Mail Art Network Sent from: Glendale, CA, USA Medium: Printed matter Category: Postcard, Invitation Dimensions (cm): 10.3 x 15.3 Pages: 2 Notes: "Umbrella Mail Art Show" Subject: judith hoffberg, umbrella mail art show