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