This is a beautiful sheet of 3 stamps, issued by Guinea in 2009, honoring aircraft manufacturer and founder of the Zeppelin Airship Company Ferdinand von Zeppelin. Featured on the stamps are the Zeppelin NT utility airship, Aeroscraft model ML866 hybrid airship, and the LZ 127 Graf Zeppelin passenger airship. The sheet is Michel catalog #6690-2, and is Post Office fresh, mint never hinged, and F/VF.