AIR MAIL and ZEPPELIN Switzerland

Quality: ✉

1.5.1934 N° 24.3/02 (Mi. Zeppelin Specialised), Basel-Frankfurt Night Flight cover sent registered to Assen, Netherlands, bearing Swiss franking applied in Basel on departure, German airmail cachet in red applied in transit in Berlin, as well as normal postal cancel on the back, alongside arrival c.d.s., vf