Sweden. Postal stationery Frankokuvert Facit Fk3, 45b, 46d cover, Stamped envelope 10 öre additionally franked with 10 + 20 öre, sent registered from STOCKHOLM 19.1.1890 to Belgium. Arrival pmk BRUXELLES 23.JANV.1890. Unusually early registered mail to this destination. Paper residues at back. Signed O.P.