Sweden. Military cover Facit 82 , The Swedish Åland Demolition Detachement 1919. A nice postcard sent from Gripsholms Castle park via steamship s/s Mariefred (II) on route Mariefred-Stockholm, cancel "ÅNGBÅTS PXP No 137" 14.7.19 on nice mounted page to a Swedish Lieutenant at the Swedish Detachement at Åland. Ex. H. Hohndorf. Superb quality and a postal history exhibition item!