cover 1912, Military Dirigible 'Republique' Flight Card, April 1912 cacheted flight card showing a photo of the dirigible in flight above three adjoining French towns, franked with 5c Green (159) which was creased prior to the application of the c.d.s. (trivial bits of the c.d.s. appear on reverse of the stamp), a desirable early dirigible flight card, minor card corner crease, otherwise very fine