Worldwide Air Post stamps and postal history, Zeppelin Flight items, philatelic rarities of the World. Part 1

Worldwide Zeppelin Flights - Germany

The auction will start in __ days and __ hours

Start price: $250

Buyer's premium:

1933 (October 14 – November 2), Chicago (Century of Progress) Round Flight cover, bearing a complete Zeppelin set with black overprint ”Chicagofahrt. Weltausstellung. 1933”, tied by Berlin date stamps, two red confirmation markings, and green machine arrival, VF and scarce, Sieger #238D, €1,425, Est. $400-$500, Sc. #C43-45