Jean TINGUELY
1925–1991, Switzerland/Germany
1955
Signature considered genuine
1958
Signature considered genuine
1961
Signature considered genuine
1967
Signature considered genuine
1971
Signature considered genuine
1972
Signature considered genuine
1975
Signature considered genuine
1982
Signature considered genuine
1989
Signature considered genuine
Signature considered genuine
Signature considered genuine
Signature considered genuine