1930
Airmail – The First South American Route of Graf Zeppelin Airship – Airmail Stamps of 1928 Overprinted in Blue


[Airmail - The First South American Route of Graf Zeppelin Airship - Airmail Stamps of 1928 Overprinted in Blue, type DK]


[Airmail - The First South American Route of Graf Zeppelin Airship - Airmail Stamps of 1928 Overprinted in Blue, type DK1]


[Airmail - The First South American Route of Graf Zeppelin Airship - Airmail Stamps of 1928 Overprinted in Blue, type DK2]


[Airmail - The First South American Route of Graf Zeppelin Airship - Airmail Stamps of 1928 Overprinted in Blue, type DK3]


[Airmail - The First South American Route of Graf Zeppelin Airship - Airmail Stamps of 1928 Overprinted in Blue, type DK4]

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