Sweden. Postal stationery, Double postcard, Facit bKd13, 79, 82, Reply-paid postcard 10 öre additionally franked with 5+10 öre, sent registered from STOCKHOLM 2 15.9.17 to Germany. Arrival pmks HAGEN 18.9.17 and ISERLOHN 18.9.17. The response card is unused with removed additional franking. The two halfs partly separated. Scarce.