Sweden. Postal stationery Enkelt brevkort Facit bKe21, 149A cover, Postcard 10 öre additionally franked with 10 öre, sent from STOCKHOLM 24.7.21 to Germany. Postage due cancellations T12½ and PORTO. Notation "Refusé" and cancellation ZURUCK EN ABSENDER. Fold, but nevertheless nice.