Vignette "soldier letter. Characteristic matter of the receiver. ", perforated and cut, always horizontal strip of three, in perfect condition, rare offered

Army postal service 1. WW, three fieldpost service letters to the to command General the Air forces ( = GenLt from Hoeppner, 1860-1922) in the Gr. Head quarters, remarkable manner all from the same day: Berlin 29.6.17! Reverse in each case red, embossed paper seal royally Prussian war Ministry.