Airmail, 1930, 65¢ Graf Zeppelin. Block of four tied by New York duplex postmarks on flight cover, purple U.S. and red German flight cachets, Lakehurst receiving backstamp, Very Fine. Sieger No. 64A. Scott No. C13  Estimate $500 - 750. $0 (Image)

Airmail, 1930, 65¢ Graf Zeppelin. Well centered large margin single tied by "Varick Sta. N.Y., May 31, 1930" slogan postmark on German Zeppelin flight promotional picture post card, red German and purple U.S. flight cachets, Friedrichshafen receiving postmark, Extremely Fine. Scott No. C13  Estimate $100 - 150. $0 (Image)

Airmail, 1930, 65¢ Graf Zeppelin. O.g., never hinged, well centered, bold color, Extremely Fine. Scott No. C13  $400. $0 (Image)