Sweden. Facit 9d1 on cover, 6×12 öre light blue on fantastic insufficiently prepaid 2-fold ship mail cover sent via the Danish P.O. in Lübeck to France. Each stamp is cancelled with the numeral pmk “3” (Lübeck) and the cover K. B. AUS SCHWEDEN. Postage due mark 12 (1.2 franc). Other cancellations KDOPA LÜBECK 30.4.1860, LÜBECK BAHNHOF 30.4, HAMBURG TH&T 30.4.1860, TOUR-T VALENCIENNES 2.MAI.60 and PARIS 2.MAI.60. Some worn perfs due to the placement of the stamps of less importance. UNIQUE and highly interesting exhibition item. Depicted in "Svenska försändelser" by Carlsson on p. 65. Signed and certificate by Sjöman (very fine), and certificate by HOW 3 (6×3) (6×3) 3 (2004).