Prev Next Category: Envelope Article from Sackner 1983-08-01 Ruth, Marvin Sackner, USA Section: Mail Art Network Sent from: Miami Beach, FL, USA Medium: Printed matter Category: Article, Envelope Dimensions (cm): 28 x 21.5 Pages: 5 Subject: ruth and marvin sackner, ruth and marvin sackner archive of concrete and visual poetry, taking up a collection, art collecting