Red Cross envelope 'HOSPITALSKIBET JUTLANDIA' under Dansk Røde Kors sent by the dentist onboard Jutlandia, postmarked in Copenhagen 3 August 1951. Jutlandia was contracted as hospitalship during the Corea war from January 23, 1951. Sent via US APO stamped on two 3c US stamps, Korean block of four and Danish 15 øre King Frederik IX, rare 3-countries mixed franking.