Sweden. Postal stationery, double postcard Facit bKd18 , Reply-paid postcard 8+7 öre additionally franked with 7+8 öre, sent in both directions, the originating card from PLK 296B 29.1.1928 to USA and the response card from PHILADELPHIA 15.FEB.1928. The response card with hinges. Only a few double usages of this postal stationery are recorded.