Cover ornamented with rubber stamps in red ink: "THE LATE MAIL ART SHOW", "MARK BLOCH", "POSTAL ART NETWORK". Rubber stamp in blue ink: "OFFICIAL PANPOST", cartoon mailman. Rubber stamp in green ink: "THE LAST MAIL ART SHOW Theme: THE END Documentation To All Participants", "P.A.N." US Letter sheet encolsed. Invitation to participate in "The Last Mail Art Show". Photocopied collage of various documents.