5-3/8 x 7-1/8 inches sheet
On one side addressed to Jeff Berner, postage, rubber-stamped announcement for Vostell's Technological Oak Tree event, April 1972. On other side in black Print "Duchamp has Qualified the Object into Art/I have Qualified Life Into Art. Signed in pencil LR and editioned 217/500.
offset lithograph on paper
Walker Special Purchase Fund, 1989
Copyright retained by the artist