© Artists Rights Society (ARS), New York/VG Bild-Kunst, Bonn Phosphor-Kreuzschlitten (Phosphorus-Cross Sled) Joseph Beuys Accession Date: 05/01/06 Accession Number: F-BEUYS-106.058 1972 phosphorus between vinyl sheets 17 1/4 x 17 1/4 x 3/8 in. (43.82 x 43.82 x 0.95 cm)