Sweden. Air mail cover Facit 247, 248, 250 brev,, 10+15+2x25 öre on air mail cover sent from GÖTEBORG 27.4.36 to Siam. Transit BERLIN-SASSNITZ (HAFEN) ZUG 14, and arival pmk 3.5.36. The cover with one round corner. Scarce destination, R4 (4-10 recorded items) according to Facit.