KOWALSKI, Zbigniew

STAMPS BY YEAR

1962
Poland, Northern provinces
Poland, Russian revolution

1963
Poland, Sailing ships definitives

1964
Poland, Sailing ship definitives
Poland, Jagiellonian university
Poland, People's republic
Poland, Poland's struggle

1965
Poland, Warsaw anniversary

1966
Poland, Tourism
Poland, Archaeological research

1969
Poland, Copernicus

1970
Vietnam, Industries