Los 329
Prussia postal stationery envelope 3 sgr. yellow with adjacent dispatch mark "LUXEMBOURG 1.. SEPT. 6..", addressed to Frau von Rabe, Lesnian by Czerwinsk, which is recorded on several covers from the fortress, on reverse railroad mark "TRIER / 14 9 II / BINGERBRÜCK" and receiving mark. This is the only recorded example of a Prussian stationery envelope transported with Luxemburg state post. A key piece of the postal history of the fortress
