Philatelic envelope from 1935, first rocket flight, signed Karl Roberti
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PHILATELIA. Envelope with Belgian stamps and "Vol par Fusée" cancel, "premier vol" sticker. 1935.
Signature of rocket inventor Karl Roberti.
Vignette "Mit Rakete. Par Fusée".
Automatically translated by DeepL. The original version is the only legally valid version. To see the original version, switch to the French language.
