Zeppelin Sieger 242B 1933 Chicago World's Fair Flight. Gorgeous private cachet (IOOR) on neat envelope. Very Fine in all respects. The item "Zeppelin Sieger 242B 1933 Chicago World Fair Flight USA Post Great Cachet" is in sale since Thursday, January 8, 2015. This item is in the category "Stamps\United States\Covers\Postal History".The seller is "frumi" and is located in Hawk Point, Missouri. This item can be shipped worldwide.