Finland. Facit 201 on cover, Letter, sent from Field Marshal Gustaf Mannerheim, CiC of the Finnish Armed Forces during WW II, to LtGen Ernst Linder, CO of the Swedish Vuolontary Forces in Finland during the "Winter War". Cancelled with the promotive cancellation (Helsinki 2.1.1940) for the Olynpics 1940 in Helsinki (postponed due to the war). Sender address written by Mannerheim himself.
