Sweden. Military cover Facit 80 cover, The Swedish Åland Demolition Detachement 1919. A nice letter card "STOCKHOLM 1" 29.4.19 on nice mounted page to a a Swedish officer at Åland. The Swedish military forces had a cover address Stockholm 30. Arrival cancel "STOCKHOLM 1" 29.4.19. There is also a full letter content. Rare and fine quality!