© Artists Rights Society (ARS), New York/VG Bild-Kunst, Bonn 9 Postkarten: Kraftvergeudung (9 Postcards: Waste of Energy) Joseph Beuys On View Accession Date: 05/01/06 Accession Number: F-BEUYS-106.561 1978 offset on cardstock, stamps reproduced 5 7/8 x 4 1/8 in. (14.92 x 10.48 cm)