Gustaf Adolf Engelbert ‘Bertel’ BERTEL-NORDSTRÖM
1884–1967, Finland/Sweden

1928
Signature considered genuine

1928
Signature considered genuine

1930
Signature considered genuine

1934
Signature considered genuine

1935
Signature considered genuine

1939
Signature considered genuine

1942
Signature considered genuine

1944
Signature considered genuine

1949
Signature considered genuine

1955
Signature considered genuine

1956
Signature considered genuine

1956
Signature considered genuine