1929, world round flight, posting Friedrichshafen, circuit to Friedrichshafen, letter with 2 RM and 4 RM Zeppelin, always two pieces, and 2 M. Buildings, decorative fixed, from "FRIEDRICHSHAFEN airmail 15. AUG 29" to Ohrdruf with arrival postmark Friedrichshafen from 4. September and all corresponding Cachets, a 2 RM. Corner tooth perforation crease lower right, the remaining Zeppelin values in perfect condition, . Additional franking defects, cover in of the upper right corner a little compressed and trace of glueing left centered, despite the restrictions attractive and not frequent document, on decorative self-designed album page