© Artists Rights Society (ARS), New York/VG Bild-Kunst, Bonn Pflasterstein (Cobblestone) Joseph Beuys Accession Date: 05/01/06 Accession Number: F-BEUYS-106.154 1975 basalt, stamped 3 7/8 x 4 1/4 x 4 in. (9.84 x 10.8 x 10.16 cm)