1933 (5 Oct) cover franked with 15c gray and 3x50c Zeppelin, tied by U.S. Ger. Sea Post S.Bremen cds, supported by the 9 October German Catapult "Bremen" Last flight cachet, showing the Chicago flight cachet alongside and Century of Progress Oct.25 World's Fair postmark on back, v.f. Zeppelin-Catapult combination cover, rare` (Cat No. C18) (Image)

Est.$500