1933, HAPAG, LZ 127, GRAF ZEPPELIN AIRSHIP, EUROPE TO SOUTH AMERICA, WITH (HAPAG) HAMBURG AMERICA LINE CRUISE LINE SCHEDULE ON THE REVERSE. ~ ONE OF THE CRUISES FEATURES A TRIP TO CHICAGO FOR THE "CHICAGO WORLD EXHIBITION - CENTURY OF OF PROGRESS" Note: THE SIZE IS APPROX 4.75 X 7.5 INCHES. ~ The LZ 127 GRAF ZEPPELIN was a German passenger-carrying hydrogen-filled rigid airship that flew from 1928 to 1937. It offered the first commercial transatlantic passenger flight service.