1930 Netherlands Flight
On 11 November 1930, the Graf Zeppelin (LZ-127) flew from Friedrichshafen to the Netherlands, then returned.
Most outbound received either a Friedrichshafen or On-Board cancel, or one from the many treaty states.
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Friedrichshafen Cancel
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On-Board Cancel
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Liechtenstein Cancel
All mail transported received a blue confirmation stamp.
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Confirmation Stamp
In the Netherlands, mail was dropped at Venlo, receiving a violet arrival stamp.
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Venlo Arrival Stamp
Several pieces of mail failed to receive the arrival stamp, and upon request of the senders or receivers, were later stamped with a red version of the arrival stamp.
Return mail received a Venlo confirmation stamp similar to the arrival stamp, but with different wording.
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1930 Netherlands Flight
On 11 November 1930, the Graf Zeppelin (LZ-127) flew from Friedrichshafen to the Netherlands, then returned.
Most outbound received either a Friedrichshafen or On-Board cancel, or one from the many treaty states.

Friedrichshafen Cancel
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On-Board Cancel
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Liechtenstein Cancel
All mail transported received a blue confirmation stamp.

Confirmation Stamp
In the Netherlands, mail was dropped at Venlo, receiving a violet arrival stamp.

Venlo Arrival Stamp
Several pieces of mail failed to receive the arrival stamp, and upon request of the senders or receivers, were later stamped with a red version of the arrival stamp.
Return mail received a Venlo confirmation stamp similar to the arrival stamp, but with different wording.