1931, 100 penny rosette pattern (3) with no. 420 (2), partly on face franked, on card to detroit / USA. On face rectangular red cancel \"first overseas flight of the Dornier flight ship DO X America-Europe\" as well round cancel \"Dornier D 1929 airship 30. January 1931\". Handing in for transport Friedrichshafen from 13. XI. 30