© Artists Rights Society (ARS), New York/VG Bild-Kunst, Bonn Fingernagelabdruck aus gehärteter Butter (Fingernail Impression in Hardened Butter) Joseph Beuys Accession Date: 05/01/06 Accession Number: F-BEUYS-106.030 1971 butter/wax in plastic box on gray cardboard 9 1/2 x 8 1/4 x 3/4 in. (24.13 x 20.96 x 1.91 cm)