Air Mail cover 1918 (16 July) Budapest - Vienna - Cracow service, 8f. stationery card bearing 1K.50f. on 75f. (2) together with five other adhesives, transit and arrival (17.7) c.d.s., only 27 pieces of mail carried on this service, apart from the "Stiassy" covers carried on July 10th.- 11th., of which an example is included in this lot