Hans WIGERT
1932–2015, 20/21th century, Sweden
1960
Signature considered genuine
1968
Signature considered genuine
1971
Signature considered genuine
1970's
Signature considered genuine
1977
Signature considered genuine
1977-1978
Signature considered genuine
1983
Signature considered genuine
1992
Signature considered genuine
1997
Signature considered genuine
2001
Signature considered genuine
2002
Signature considered genuine
2004
Signature considered genuine
2004
Signature considered genuine
2012
Signature considered genuine
2013
Signature considered genuine
Signature considered genuine
Signature considered genuine
Signature considered genuine
Signature considered genuine