1932 (June 16), Graf Zeppelin Netherlands Flight postcard, Vaals to
Aachen advertising postcard promoting the benefits of the
1932 (June 16), Graf Zeppelin Netherlands Flight postcard, Vaals to
Aachen advertising postcard promoting the benefits of the thermal
baths, franked with multiple Dutch adhesives, tied by Vaals c.d.s.
with Friedrichshafen receiver (19 Jun), blue windmill-illustrated
flight confirmation cachet, a lovely card and scarce Dutch origin.
