Germany, Airmail, 1930, 4m So. America Flight Zeppelin. Three singles, tied by "Friedrichshafen, 18.5.30" cds's on round trip flight cover, red German and purple U.S. flight cachets handstamps, receiving backstamp, Very Fine. Michel No. 439. Sieger No. 57P. Scott No. C39  Estimate $250 - 350. $0 (Image)

Germany, Airmail, 1930, 4m So. America Flight Zeppelin. Vertical pair, tied by "Friedrichshafen, 18.5.30" cds's on flight cover to Lakehurst, N.J., red German flight cachet handstamp and receiving backstamp, fresh and Very Fine. Michel No. 439. Sieger No. 57N. Scott No. C39  Estimate $200 - 300. $0 (Image)

Germany, Airmail, 1930, 4m So. America Flight Zeppelin Friedrichshafen-Rio. Franked with 4m Zeppelin, addressed to Bolivia, tied by 18.5.30. Friedrichshafen cancel, with red Flight cachet, Rio de Janeiro & Oruva receivers; good destination, Very Fine. Michel No. 439 (no photo). Scott No. C39  Estimate $150 - 200. $0