Sweden. Military cover The Swedish Åland Demolition Detachement 1919. A nice military letter from Swedish Lieutenant Hemberg at the Swedish Detachement at Åland. Correct without additional franking for local delivery. Normally cancelled on front when the mail arrived from Åland and was exchanged at Stockholm 1. Machine-cancel "STOCKHOLM 1 ANK" 19.6.19 at reception for delivery. Very nice quality but have been folded. Postal history exhibition item!