1936 (June) Zeppelin Hindenburg 3rd North America Return Flight reg’d pc with 1.32P total franking incl. two Sports stamps all tied by special s/l “Ier Despacho” + Hindenburg cds (June 17), NY oval bs (June 19) and received at Frankfurt on June 26, quite attractive, very fine (Sieger 419, € 750) (Image)

1936 (August) Zeppelin Hindenburg 7th North America Return Flight, cover with 1.45Co franking tied by airmail cds (August 16), the 1Co value IMPERF at top, green local cachet cds (same day), sent to Munich and forwarded to Berlin, no bs as not registered, minor cover tears else fine and unusual (Sieger 431 B, € 400) (Image)