Bidspirit auction | Maritime mail Spain. Germany. Napoleonic

Maritime mail Spain. Germany. Napoleonic Wars. Cover of a letter from “Service militaire”, sent from Spain with the mark Nº7/Bur. Principal/ Arm. D'Espagne, to the Grand Duchy of Berg by a member of Napoleon's troops on their way to Portugal. Dated 1807, it is addressed to His Serene Highness the Prince of La Lippe. It has a postal mark EP Neukirchen (very interesting).