Stylised airplane with an envelope

Fischer 873 (Sheet 20) | Michel 1017 (Sheet 21) | Scott CB1a | Year of issue 1957 | People's Republic of Poland

National philatelic exhibition in Warsaw.

Translations

Ogólnopolska Wystawa Filatelistyczna Warszawa 1957 = National philatelic exhibition Warsaw 1957.
Polska poczta lotnicza = Polish airmail.

See also

Fischer 859 and Souvenir sheet 859

Resources

Airmail
Warsaw
Philately

First Day Cover