Fischer 308 (Sheet 6) | Michel 329 (Sheet 6) | Scott B31 | Year of issue 1938 | Pre-war Poland
The planned first flight of a stratosphere balloon from the Chochołowski valley in the Tatra mountains.
Stratosphere balloon over Giewont mountain
The Stratosphere is the outer part of the air which surrounds the Earth, starting at about 10 kilometers (six miles) above the Earth.
Giewont is the name of a mountain in the Polish Tatra's.
The Chochołowski valley is a valley in the Tatra mountains.
Pierwszy Polski lot do stratosfery = The first Polish flight into the stratosphere
Dolina Chochołowska wrzesien 1938 = Chochołowski valley September 1938.
Cena 2 Zł = Price 2 Złoty.
The planned first flight of a stratosphere balloon in Poland
Special cancellation of sheet 6