Sweden. Utlandsanknytning. France. Partly prepaid letter dated "Stockholm d 6 April 1810", sent from STOCKHOLM during the Napoleonic Wars to Bordeaux. On front the very scarce transit mark SUEDE P.. HAMBOURG. R.4 used during the short period of April–October 1810 – rarity 6 according to Van der Linden and allegedly the only recorded one on Swedish mail sent to France. At back pmk 5.APRIL. Postage due notation "19" (dec). EXHIBITION item.