Sweden. Accumulation military covers on leaves. The Swedish Åland Demolition Detachement 1919. 6 covers with different postage (some wrongly franked), mostly from Sockholm to the same Swedish 2nd Lieutenant (Wilcke) at the Swedish Detachement at Åland. Also some letter contents without covers. Mixed quality e.g. covers with tears, roughly opened, part is missing etc. (6).