Airmail registered mail franked with buildings no. 90, no. 106, no. 107 as well help for the Needy surtax stamp and airmail stamp with additional imprint DAP on air mail envelope the Conference of the DAPC in Mountain new city from 15.5.1949. Letter with corresponding airmail respectively balloon postmarks. First day use for no. 106 and no. 107, slight traces of use. Michel 1.000.-