Sweden. Military postal stationary Facit MbK2 , The Swedish Åland Demolition Detachement 1919. A lovely Military Postcard MbK2 with additional official postage 5 öre cancelled "STOCKHOLM" 9.7.19 to Helsingborg written by the Swedish Lieutenant Hemberg. Part of cancel "HÄLSINGBORG" on back. Forwarded to Stockholm. Very rare, very good quality and exhibition item!