Sweden. Facit 29, 35 used, 2×4+30 öre on registered cover sent from ULRICEHAMN 5.4.1881 via STOCKHOLM K.E. 7.4.1881, Germany and Russia, to Notsjö Glasbruk, Finland. German label 'Vom Ausland über Bahnpost 17 Kiel-Hamburg. Eingeschrieben' and Russian cancel 3AKA3HOE plus transit marks on the reverse. Finnish pmk WIBORG 13.4.1881. Highly interesting item.