Prev Next Publisher: Cracow Poland Invitation from Rehfeldt 1980-03-29 Robert Rehfeldt, DDR Section: Mail Art Network Sent from: Berlin, DDR Publisher: Contact Mail Box Print Biennale 1980, Cracow Poland Medium: Printed matter Category: Printed matter, CFP Dimensions (cm): 25 x 17.7 Pages: 4 Subject: robert rehfeldt, contact mail box print biennale 1980