Letter sheet from Moelln 21 April 1868 to Ratzeburg, Duchy of Lauenburg. A Prussian Ein Silb. Gr. red adhesive tied by ‘MOELLN 21/4 66 7-8N.’, has been used in payment for the letter rate, the use of Prussian stamps in Lauenburg is known and rarely seen. A small and attracive quality of the use of a foreign stamp in the Duchy of Lauenburg.