German Reich 1927 - Airmail

German Reich 1927 - Air Mail. Postage due registered cover - airmail - foreign cover. Transatlantic flight by Junkers W33 aircraft from Dessau to the USA, which was canceled. Franked with golden eagle souvenir sheets 1-3 Mark. Additional postage due MiNr. 261x (2x); 1 Mark show short teeth, as the stamps were glued to the upper edge of the envelope. Cover somewhat unclean, but good collector's quality.