AIR MAIL and ZEPPELIN Switzerland

Quality: ✉

18.3.1932 N° 234a (Mi. Zeppelin Specialised), LZ 127 South America Flight cover sent from Geneva to Recife, Brazil and franked with a 75rp Swiss airmail stamp (SBK F11, cat. value CHF 150 on cover) on the front and the complete Geneva 1932 Disarmament Conference issue on the back (SBK F16-F18, cat. value for F18 is CHF 120 on cover), all tied by special Conference postmark on departure from Geneva, Friedrichshafen c.d.s. on the front together with zeppelin flight cachet in violet, arrival c.d.s. on the back, uncommon, vf