
Bo Von ZWEIGBERGK
1897–1940, Sweden
Also known as: BVZ, BZ, Z, E-Son

1921
Signature considered genuine

1921
Signature considered genuine

1921
Signature considered genuine

1921
Signature considered genuine

1922
Signature considered genuine

1927
Signature considered genuine

1928
Signature considered genuine

1928
Signature considered genuine

1929
Signature considered genuine

1929
Signature considered genuine

1931
Signature considered genuine

1933
Signature considered genuine

1934
Signature considered genuine

1938
Signature considered genuine

1938
Signature considered genuine

1939
Signature considered genuine

1939
Signature considered genuine