Sweden. Foreign-related cover. France. Letter dated in Gothenburg on 9.8.1815 sent on the temporary sailing yacht route Ystad–Travemünde–Lübeck which was operational only during the period 1.6.1815–4.1.1816. Postmarks R.4. LÜBECK (Fe/Mü 2117-2) and R.N.4 (Fe/Mü 532 / VdL 2446, rarity 5) in red. UNIQUE EXHIBITION item. Ex. Bernhardt, Michtner and Nilsson.
