© Artists Rights Society (ARS), New York/VG Bild-Kunst, Bonn aus Künstlerpost Joseph Beuys Accession Date: 05/01/06 Accession Number: F-BEUYS-106.015 1969 plastic envelope with margarine and white chocolate, stamped; envelope stamped with oil paint (Browncross) 12 5/8 x 9 x 3/8 in. (32.07 x 22.86 x 0.95 cm)