Sweden. Postal stationery, double postcard Facit bKd17, 80, etc. , Reply-card 5+5 öre, the originating card is additionally franked with 2+4+2x7 öre and sent registered to Germany, with arrival pmk LEIPZIG 25.4.19. The response card is additionally franked 2+2x2 öre and cancelled in Sweden. Weak corner crease. Scarce.