Martin ÅBERG
1888–1946, Sweden
1913
Signature considered genuine
1913
Signature considered genuine
1919
Signature considered genuine
1922
Signature considered genuine
1924
Signature considered genuine
1932
Signature considered genuine
1937
Signature considered genuine
1937
Signature considered genuine
1937
Signature considered genuine
1938
Signature considered genuine
1940
Signature considered genuine