1930 First Flight from Buenos Aires to USA, franked with the complete set of Zeppelin overprints in blue, with appropriate markings, fine. Complete sets on a single cover are relatively scarce (Image)

Est.$250

1930 Zeppelin Issue, blue overprint complete set of five, also 90c overprinted in green, on flown Round-the-World flight cover to Germany, little toning, otherwise fine-v.f., rare on one cover (Cat No. C20-24,27) (Image)

Est.$500