1930 Zeppelin Issue, overprinted in blue or green, 25 stamps, used on seven flown covers or cards to Germany, Czechoslovakia or Austria, each with "First Europe Pan-America Round Flight" cachet, one franked with the complete set, some creases, mostly fine-v.f. (Image)

Est.US$750

1930 Zeppelin First Flight blue overprints, complete set of five used on large flown, cacheted cover (21 May) to Friedrichshafen, v.f., with appropriate transit and arrival pmks, addressed to Dr. Hugo Eckener, signed by him at top of the cover, some toning, scarce (Cat No. C20-24) (Image)

Est.US$300