1929 first America flight cover franked various airmails incl. 2rm Zeppelin, tied Friedrichshafen Luftpost c.d.s's, blue flight cachet & red flight delay h/stamp, also New York transit c.d.s. (1) (Image)

1929 Mediterranean flight envelope to Seville, franked 2mk 'Eagle' tied by 'Luftschiff Graf Zeppelin' c.d.s, bears red flight cachet, VF. 1929 first America flight PPC to USA, franked 2rm Zeppelin, cancelled Friedrichshafen, bears blue 'Liberty' flight cachet + New York arrival c.d.s, fine. (2) (Image)

1932 third South America flight card to Recife, franked three 50pf 1931 Nothilfe + later 1932 Surcharged pair cancelled Friedrichshafen, bears brown flight cachet. A little soiled & creased. (1) (Image)

1933 Centenary of Progress flight pictorial cacheted flown Friedrichshafen to Chicago, franked 50c Zeppelin (3), tied New York d/stamps, bears red triangular 50th Ocean Crossing cachet, reverse Chicago World's Fair slogan. (Image)

1933 Chicago flight envelope to Buenos Aires, franked 10pf, 15pf & 50pf 'Eagle' airs + 1rm Zeppelin commem (Cat. £500), tied Friedrichshafen c.d.s. Obverse bears red 'map' flight cachet. Cover has vertical crease. (Image)