Sweden. Foreign-related cover. France. Letter dated in Stockholm on 24.4.1807 sent to Bordeaux. Postmark HAMBOURG. R.4. / B.G.D. 2 MAI 1807 (Fe/Mü 1349-23), used only during the period 5 November 1806–4 August 1808 by the Grand Duchy of Berg P.O. in Hamburg – allegedly one of only two recorded on Swedish mail. EXHIBITION item in superb quality. Ex. Gunnar Nilsson.
